Skilled Nursing Facility
Medical Billing Services

Medicare Part A SNF billing is among the most complex in healthcare — five PDPM payment components, consolidated billing compliance, annual HCPCS updates, and MDS accuracy all feeding into your per-diem rate. Xecta's AAPC-certified team manages every layer so your revenue doesn't fall through the gaps.

Medicare Part A & Part B SNF PDPM Optimization Consolidated Billing Compliance AAPC CPC, CPB & CPMA Free Practice Audit
SNF Billing Scope: Medicare Part A PPS PDPM Optimization Consolidated Billing MDS Revenue Management Medicare Advantage SNF Triple-Check & Compliance
Quick Answer

What is SNF consolidated billing and why does it matter?

Quick Answer
What is SNF consolidated billing under Medicare Part A?

SNF consolidated billing is a federal requirement under §1888(e) of the Social Security Act that holds the skilled nursing facility (SNF) responsible for billing virtually all services received by Medicare Part A residents — even services delivered by outside vendors. The SNF absorbs those costs into its per-diem claim; the outside provider cannot bill Medicare directly. Only services on CMS's annually updated exclusion list — including emergency services, outpatient surgery, dialysis for ESRD patients, chemotherapy, radiation therapy, certain physician/NPP professional services, and select preventive services — may be billed separately. CMS released the 2026 SNF Consolidated Billing HCPCS update in December 2025, adding and retiring specific codes. Facilities that allow excluded-service vendors to bypass consolidated billing, or that fail to correctly apply the exclusion list, face duplicate payment liability, MAC edits, and potential CMS recoupment. Effective SNF billing requires tracking every code against the current exclusion table on every claim.

Why SNF Billing Is Uniquely Complex

6 SNF Billing Challenges That Drain Revenue

SNF billing operates under rules that apply to no other care setting. These are the six areas where revenue most commonly leaks — and where Xecta's SNF-specific expertise protects your per-diem.

Challenge 01

PDPM Multi-Component Rate Complexity

Under the Patient-Driven Payment Model, each resident generates five independent payment components — PT, OT, SLP, Nursing, and Non-Therapy Ancillary (NTA). Each is derived from a separate MDS data element and maps to its own HIPPS case-mix group. In FY 2026, CMS updated 34 ICD-10 clinical category mappings (effective October 1, 2025), moving conditions including Type 1 Diabetes and Obesity from the Medical Management category to Return to Provider. Facilities using uncorrected ICD-10 mappings are generating wrong HIPPS codes and systematically underpaying or creating audit exposure on every affected claim.

Challenge 02

Consolidated Billing Compliance & Annual Code Updates

The SNF's per-diem rate includes payment for nearly every service received by Part A residents. Outside vendors — labs, imaging centers, therapy contractors, durable medical equipment suppliers — cannot bill Medicare separately unless their service appears on CMS's exclusion list. The exclusion list changes annually; the 2026 update added chemotherapy codes (Major Category III-A), customized prosthetic codes, and blood clotting factors while retiring 30 codes. Facilities that haven't applied the 2026 table are either allowing impermissible unbundling or over-bundling excluded services, both of which create compliance liability.

Challenge 03

MDS Assessment Accuracy, Timing & HIPPS Code Integrity

The Minimum Data Set (MDS) is the clinical assessment that drives every PDPM component. Late assessments, missed look-back windows, or incorrect ICD-10 selection on MDS Section I0020B cascade into wrong clinical category assignment, wrong case-mix group, and wrong HIPPS code — meaning wrong payment for the entire Part A stay. Under PDPM, the 5-Day Scheduled PPS Assessment sets the classification for the stay's duration unless a facility elects an Interim Payment Assessment (IPA). A single MDS coding error compounds across all days billed, making MDS accuracy the single highest-leverage point in SNF revenue protection.

Challenge 04

Part A Benefit Day Management & Coverage Transitions

Medicare Part A covers SNF care for up to 100 days per benefit period — Days 1–20 at 100%, Days 21–100 with an annually adjusted coinsurance ($209.50/day in 2025). The benefit requires a 3-day qualifying inpatient hospital stay, admission within 30 days of discharge, and continued need for skilled nursing or therapy. When skilled criteria are no longer met, the facility must issue a Notice of Medicare Non-Coverage (NOMNC) and transition billing appropriately. Failure to issue the NOMNC on time, or incorrect management of SNF elections and benefit period tracking, results in coverage disputes, beneficiary complaints, and incorrect billing periods.

Challenge 05

Medicare Advantage SNF Billing — Plan-Specific Rules

Medicare Advantage plans cover SNF stays under plan-specific terms that differ significantly from traditional Medicare Part A. Virtually all MA plans require prior authorization for SNF admissions and continued-stay authorization every 5–7 days; many impose day limits shorter than 100 days and pay at negotiated rates below Medicare PPS. Following CMS's 2024 final rule, MA plans must use Traditional Medicare coverage criteria (the 2-midnight rule analogy) for SNF benefit decisions — but enforcement varies. Facilities with significant MA census need separate billing workflows, contract-level rate tracking, and prior auth monitoring for each plan.

Challenge 06

Variable Per Diem Adjustments & NTA Front-Loading

PDPM applies Variable Per Diem (VPD) adjustments that change the per-diem rate over the course of the stay. NTA rates are tripled (3× adjustment factor) for Days 1–3 to reflect high initial drug and supply costs, then drop to the base rate from Day 4 onward. PT and OT component rates decline 2% every 7 days after Day 20, reflecting CMS data showing reduced therapy intensity in longer stays. Billing teams that don't correctly calculate and apply these adjustments on every claim — or that submit claims late, missing the front-loaded NTA window — leave significant revenue on the table without any denial to trigger a review.

Billing Code Reference

Key SNF Billing Codes — Revenue, HCPCS & HIPPS

Unlike physician billing, SNF claims are submitted on UB-04 institutional forms using revenue codes and HIPPS codes generated from PDPM classification. Understanding these codes is essential for consolidated billing compliance and accurate rate capture.

Code Type Description Billing Notes
0101–0119 Revenue Room & Board — Skilled Nursing Facility Routine daily accommodation charge; varies by accommodation type (private, semiprivate, ward). Always included in consolidated billing per-diem.
0190 Revenue Subacute Care / Skilled Level of Care Designates skilled-level care distinct from custodial. Required for Medicare Part A billing to establish qualifying care level.
0900–0909 Revenue Physical Therapy Services PT is bundled into the PDPM PT component per-diem rate. Do not separately bill PT HCPCS codes for Part A residents under consolidated billing.
0910–0919 Revenue Occupational Therapy Services OT is bundled into the PDPM OT component per-diem rate. Same consolidated billing rules as PT. Cannot be billed separately under Part A.
0940–0949 Revenue Speech-Language Pathology Services SLP is bundled into the PDPM SLP component per-diem rate. SLP comorbidity adjustments (swallowing disorders, cognitive impairment) affect rate.
0560 Revenue Medical Social Services Social services for Part A residents bundled into consolidated billing per-diem. Cannot be billed separately during the Part A stay.
0650 Revenue Pharmacy / Drugs Charged to Patients Most routine drugs are bundled under the NTA component. High-cost drug exclusions (chemotherapy agents, immunosuppressives, ESRD drugs) apply — check 2026 exclusion list.
HIPPS PDPM 5-Character PDPM Case-Mix Code (e.g., RAPAJ, CABAS) Generated from MDS classification. Each character represents a PDPM component group. Drives the per-diem rate. Wrong HIPPS = wrong payment for the entire stay.
G0162 HCPCS Skilled Services by a Registered Nurse (per 15 min) Reportable when skilled nursing criteria are met and an RN provides services that require professional nursing judgment. Must be documented in care plan and nursing notes.
A0428 / A0430 HCPCS Ambulance — BLS Ground / ALS Non-Emergency Non-emergency ambulance transport is bundled in consolidated billing. Emergency ambulance is excluded (Major Category I). Distinguish carefully — incorrect separation triggers duplicate payment edits.
UB-04 FL 63 UB-04 Treatment Authorization Code For Medicare Advantage, the prior authorization reference number must appear in Form Locator 63. Missing auth codes are the leading cause of MA SNF claim denials.
Condition Code 55 UB-04 SNF Bed Not Available Used when patient is placed in a non-SNF bed because no SNF bed is available. Protects the qualifying stay while the SNF bed is secured. Critical for benefit period management.

ℹ SNF billing uses UB-04 institutional claim forms rather than CMS-1500. Revenue codes, condition codes, and HIPPS codes replace the CPT/modifier system used in physician billing. Physician and NPP services in the SNF are always excluded from consolidated billing and billed separately on CMS-1500 under Part B. Reference: CMS SNF Consolidated Billing · CMS PDPM Resources

What Xecta Handles for Your SNF

SNF Billing Services That Protect Every Layer of Revenue

From PDPM classification through consolidated billing compliance and Medicare Advantage authorization management, Xecta builds separate workflows for each dimension of SNF revenue.

Medicare Part A PPS / PDPM Billing

We manage the complete Medicare Part A billing cycle — verifying 5-Day MDS submissions, translating clinical categories into correct HIPPS codes, applying Variable Per Diem adjustments (NTA 3× front-load, PT/OT 2% weekly decline post-day 20), and submitting UB-04 claims through your MAC with the documentation chain that supports each rate. All PDPM ICD-10 mappings are updated to the FY 2026 CMS file effective October 2025.

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Consolidated Billing Compliance Management

We maintain a real-time working copy of the CMS SNF Consolidated Billing HCPCS exclusion table (updated to the 2026 annual release). Every claim is reviewed against this table before submission to confirm which services are bundled in the per-diem, which are excluded for direct Part B billing, and which outside vendors must be paid and included. We also manage vendor coordination letters to notify outside providers of their consolidated billing obligations.

Talk to an SNF Specialist

MDS-Based Revenue Optimization

We work alongside your MDS coordinator to review 5-Day PPS assessments before lock, identifying ICD-10 mapping errors, SLP comorbidity gaps, NTA comorbidity scoring opportunities, and nursing case-mix group inaccuracies. Our MDS review process focuses on revenue integrity — not upcoding, but ensuring that what the clinical record supports is accurately reflected in the MDS and the resulting HIPPS code. An IPA (Interim Payment Assessment) is recommended whenever clinical status changes materially.

See What Your MDS Is Missing

Medicare Advantage SNF Billing

We build and maintain plan-specific billing workflows for each Medicare Advantage contract in your payer mix. This includes prior authorization submission and tracking at admission and continued-stay review intervals, plan-specific rate verification against contracted schedules, and monitoring for day-limit adherence. We also review MA plan coverage decisions against CMS's 2024 final rule requiring MA plans to apply Traditional Medicare SNF coverage criteria, and escalate improper denials through the plan's grievance process.

Review Your MA Contracts

SNF Denial Management & Appeals

SNF denials fall into predictable categories: medical necessity (skilled criteria not met), consolidated billing violations (improper unbundling by outside vendors), PDPM classification disputes (incorrect clinical category), and Medicare Advantage prior authorization issues. For each denial type, we build the appeal from the clinical record, the applicable CMS manual citations (Benefit Policy Manual Chapter 8 for SNF, Chapter 6 for Medicare Advantage), and the MDS documentation trail. Our SNF denial overturn rate exceeds 87% on appealed claims.

SNF Denial Management

Triple-Check Audit & RAC Defense

We implement a structured Triple-Check process on every claim before submission — MDS/PPS review (HIPPS code accuracy, assessment timing), medical record review (skilled criteria, physician orders, care plan alignment), and billing review (revenue codes, VPD adjustment application, consolidated billing compliance). This process eliminates the majority of SNF billing errors before they reach the MAC. When RAC or MAC audits do occur, we provide complete audit response documentation built from the Triple-Check record.

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Right Fit?

Who Xecta's SNF Billing Services Are — and Aren't — For

A Strong Fit For
Medicare-certified skilled nursing facilities billing under Part A PPS/PDPM
Hospital-based SNF distinct-part units (DPUs) with complex COB and Part B billing needs
Multi-facility SNF operators and regional chains seeking standardized PDPM workflows
Post-acute rehabilitation facilities with Medicare-certified SNF beds
Continuing care retirement communities (CCRCs) with SNF and custodial-care billing separation needs
Critical access hospital swing-bed programs with SNF-equivalent billing requirements
SNFs with high Medicare Advantage census needing plan-specific prior auth management
Not a Match For
Assisted living facilities (ALFs) — these operate under state-regulated private-pay and Medicaid waiver billing, not SNF PPS
Long-term care facilities without Medicare SNF certification — no Part A PPS billing applies
Home health agencies — HH billing operates under the Home Health PPS (PDGM), a different Medicare benefit
Hospice programs — hospice billing falls under the Medicare Part A Hospice Benefit, a separate election
Physicians billing independently for SNF visits — physician/NPP services are always excluded from consolidated billing and billed on CMS-1500 under Part B
Pure custodial / non-skilled nursing facilities — custodial care does not meet Medicare Part A skilled care criteria
Why Outsource SNF Billing?

In-House SNF Billing vs. Xecta — Side by Side

PDPM updates, consolidated billing code changes, Medicare Advantage prior auth tracking, and Triple-Check compliance are full-time specializations. Compare what in-house teams typically manage against what dedicated SNF billing expertise delivers.

Metric In-House Industry Average Xecta SNF Team
PDPM HIPPS Code Accuracy 68–75% 79–84% 97%+
FY 2026 ICD-10 Mapping Applied Often delayed 30–90 days post-update Delayed or partial Day-of effective date
Clean Claim Rate (Medicare Part A) 64–72% 76–82% 96%+
Days to First Claim Submission 10–18 days 7–12 days 3–5 days
Consolidated Billing Error Rate High — annual updates missed Moderate <1%
Medicare Advantage Prior Auth Tracking Manual / inconsistent Basic tracking only Plan-specific workflow per contract
SNF Denial Rate 18–26% 12–17% <5%
Denial Overturn Rate 38–48% 55–64% 87%+
Triple-Check Audit Process Informal or absent Inconsistent Structured pre-submission on every claim
RAC / MAC Audit Response Ad hoc, limited documentation Basic appeal support Dedicated response with MDS documentation trail
Common Questions

SNF Billing FAQs

What is SNF billing and how does Medicare Part A pay for SNF care? +
SNF billing refers to the revenue cycle process for Medicare-certified skilled nursing facilities billing under Medicare Part A using the Prospective Payment System (PPS). Payment is a daily per-diem rate derived from the Patient-Driven Payment Model (PDPM) — the sum of five patient-specific components (PT, OT, SLP, Nursing, NTA), each classified from the MDS assessment and reflected in a 5-character HIPPS code on the UB-04 claim. Medicare Part A covers Days 1–20 at 100%, Days 21–100 with a daily coinsurance ($209.50/day in 2025), and requires a 3-day qualifying inpatient hospital stay, admission to a Medicare-certified SNF within 30 days of hospital discharge, and continued need for skilled nursing or therapy services. Coverage ends when skilled criteria are no longer met or 100 benefit days are exhausted. A new benefit period begins after a 60-consecutive-day gap in skilled care.
What is SNF consolidated billing and which services are excluded? +
SNF consolidated billing is a federal requirement under §1888(e) of the Social Security Act that holds the SNF responsible for billing virtually all services received by Medicare Part A residents. The SNF pays outside vendors and includes those services in its per-diem claim. Only services on CMS's annually updated exclusion list may be billed separately. The 2026 exclusion list (released December 2025) organizes excluded services into five major categories: Category I (services beyond SNF scope — emergency care, outpatient surgery, CT/MRI, radiation therapy, cardiac catheterization, angiography); Category II (services for ESRD patients — dialysis including ambulance trips); Category III (high-cost, low-probability services — chemotherapy administration and drugs, certain blood clotting factors, customized prosthetics); Category IV (preventive services — vaccines, mammography, Pap smears, colorectal and diabetic screening); Category V (specific therapy exclusions). Physician and NPP professional services are always excluded from consolidated billing.
What is PDPM and how does it affect SNF payment in 2026? +
PDPM (Patient-Driven Payment Model), effective October 1, 2019, replaced RUG-IV as the SNF PPS classification system. Under RUG-IV, payment was driven primarily by therapy minutes, incentivizing high therapy volumes. PDPM shifts payment to five independent components derived from the MDS: PT, OT, SLP, Nursing, and NTA. The primary ICD-10 diagnosis on MDS Section I0020B maps to a clinical category that drives case-mix group assignment and HIPPS code generation. PDPM also applies Variable Per Diem adjustments: NTA rates are 3× higher in Days 1–3 to reflect high initial costs; PT and OT rates decline 2% every 7 days after Day 20. In FY 2026 (effective October 1, 2025), CMS updated 34 ICD-10 clinical category mappings — moving Type 1 Diabetes, Hypoglycemia, and Obesity from the Medical Management category to Return to Provider. Facilities using uncorrected ICD-10 mappings are generating wrong HIPPS codes on every affected resident's claim.
What is the Triple-Check process and why is it essential for SNF billing? +
The Triple-Check is a pre-billing quality assurance review that examines each SNF claim from three angles before submission: (1) MDS/PPS Review — confirms the MDS was completed and locked timely, clinical categories are correctly assigned per the current PDPM ICD-10 mapping file, PDPM components match the clinical record, and the HIPPS code is accurate; (2) Medical Record Review — verifies that skilled nursing or therapy criteria are met and documented for each billed day, physician orders are in place, care plan interventions align with billed services, and required assessments are in the chart; (3) Billing/UB-04 Review — validates revenue codes, dates of service, PDPM rate calculations with correct VPD adjustments, consolidated billing inclusions, and payer-specific requirements. RAC auditors and MACs disproportionately target errors that a proper Triple-Check would catch. Facilities without a structured Triple-Check process typically see 18–26% denial rates on Medicare Part A SNF claims.
How does the MDS affect PDPM payment and what are the common MDS billing errors? +
The Minimum Data Set (MDS) is the clinical assessment that drives every PDPM component. The 5-Day Scheduled PPS Assessment, completed within Days 1–8 of the Medicare Part A stay, sets the PDPM classification for the entire stay unless an Interim Payment Assessment (IPA) is elected. Common MDS-related billing errors include: incorrect ICD-10 code on Section I0020B mapping to the wrong clinical category (affects PT, OT, SLP components); missing SLP comorbidity codes (swallowing disorders, cognitive impairment) that qualify for SLP comorbidity payment adjustment; NTA comorbidity scoring errors on Section J (affecting the NTA component); late MDS submission missing the Assessment Reference Date (ARD) window; and Section GG functional score errors affecting nursing case-mix groups. Because a single 5-Day MDS classification applies to the entire stay, an error compounds across all billed days — making MDS accuracy the highest-leverage point in SNF revenue protection.
How does Medicare Advantage SNF billing differ from traditional Medicare Part A? +
Medicare Advantage (MA) plans cover SNF stays but under terms that differ significantly from traditional Medicare Part A. Key differences: Prior authorization — virtually all MA plans require prior auth for SNF admissions and continued-stay authorization every 5–7 days; PA denials are the leading cause of MA SNF revenue loss. Day limits — many MA plans cover fewer than 100 skilled days, with plan-specific limits that vary significantly by contract. Payment rates — MA plans negotiate rates independently, typically below Medicare PPS rates; rate verification against contracted schedules is essential. Coverage criteria — following CMS's 2024 final rule, MA plans must apply Traditional Medicare SNF coverage criteria (the 2-midnight rule analogy) for benefit coverage decisions, prohibiting more restrictive skilled-care criteria than Original Medicare. Appeals of MA SNF denials citing medically unnecessary care should reference this CMS rule and the plan's obligation to follow Original Medicare coverage standards. Facilities with high MA census must maintain separate billing workflows and contract-level tracking for each plan.
Also Served by Xecta

Related Specialty Billing Services

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Physical Therapy Billing
PT billing for outpatient and Part B settings; consolidated billing exclusions when PT is billed outside the SNF per-diem
PT Billing →
Internal Medicine Billing
Physician Part B billing for SNF visits — always excluded from consolidated billing; billed on CMS-1500 with POS 31
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Pulmonology Billing
Pulmonology and respiratory services in SNF settings — vent management, sleep studies, excluded-service navigation
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Your SNF Is Leaving Revenue on the Table. Let's Find It.

PDPM ICD-10 mapping errors, consolidated billing violations, and missed VPD adjustments are systematically underpaying or creating audit exposure in most SNF billing operations. Xecta's free SNF billing audit identifies every gap — no commitment required.

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