PDPM NTA Audit & Review Software for Skilled Nursing Facilities
Identify supported NTA conditions, validate MDS coding, detect missing documentation, and surface potential reimbursement and compliance risk before claims are submitted.
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RevOptix1 helps skilled nursing facilities review the Non-Therapy Ancillary (NTA) component of PDPM by connecting diagnoses, treatments, services, medications, clinical documentation, and MDS data.
Instead of reviewing NTA conditions one at a time, RevOptix1 helps answer a more important question:
Does the resident's medical record support the NTA conditions and services represented on the MDS—and are supported conditions being missed?
Find the evidence. Validate the NTA score. Protect reimbursement.
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What Is NTA Under PDPM?
The Non-Therapy Ancillary component, commonly called NTA, is one of the five case-mix-adjusted components used under the Patient Driven Payment Model.
The five PDPM case-mix-adjusted components are:
- Physical Therapy
- Occupational Therapy
- Speech-Language Pathology
- Nursing
- Non-Therapy Ancillary
NTA is designed to account for certain conditions and services that may increase the cost of caring for a resident beyond routine nursing and therapy needs.
Examples can include certain:
- complex medical conditions
- extensive services
- medications
- nutritional interventions
- respiratory services
- wounds
- infections
- organ-transplant statuses
- neurologic conditions
- immune disorders
Not every diagnosis qualifies.
Not every qualifying condition has the same value.
CMS assigns different point values to qualifying NTA conditions and extensive services based on their relative resource use.
Those points are added together to determine the resident's NTA classification.
How NTA Points Work
The NTA component uses a weighted comorbidity scoring system.
A qualifying condition or service can contribute a specific number of NTA points.
Under the CMS methodology, different conditions can be assigned different point values rather than every condition simply counting as one.
The process generally follows this structure:
- Resident diagnoses and services
- Determine which meet current CMS NTA criteria
- Assign the applicable CMS point value
- Add qualifying points
- Determine total NTA score
- Assign NTA case-mix group
Under the established PDPM classification structure, NTA scores map to six groups:
| NTA score | NTA group |
|---|---|
| 12 or more | NA |
| 9–11 | NB |
| 6–8 | NC |
| 3–5 | ND |
| 1–2 | NE |
| 0 | NF |
The higher the qualifying NTA score, the higher the corresponding NTA case-mix classification.
Facilities should use the CMS grouper and rules applicable to the assessment date because qualifying codes and mappings can change between fiscal years.
RevOptix1 is designed to apply the appropriate ruleset rather than relying on a static historical NTA table.
Why Current NTA Rules Matter
PDPM is not a fixed coding system.
CMS periodically updates ICD-10 mappings and grouper logic.
For assessments with target dates beginning October 1, 2026, CMS released PDPM Grouper Version 2.5000 to support FY2027 ICD-10 codes.
That update included changes to the NTA logic, including new and removed NTA comorbidities.
This creates an important operational issue for SNFs:
A diagnosis that qualified under one grouper version may not necessarily be treated identically under another.
RevOptix1 can be designed to:
- Identify the assessment date
- Select the appropriate CMS PDPM grouper version
- Apply the correct NTA mappings
- Calculate the expected NTA score
- Compare the expected result with the facility's MDS and PDPM classification
That helps reduce dependence on outdated spreadsheets, reference sheets, or historical coding assumptions.
How the NTA Component Affects Reimbursement
The resident's total NTA score determines the NTA case-mix group.
That classification contributes to the resident's overall PDPM reimbursement.
The relationship can be viewed as:
- Supported condition or service
- NTA points
- Total NTA score
- NTA case-mix group
- NTA case-mix index
- NTA component payment
- Total PDPM payment
NTA also has a unique payment characteristic under PDPM.
The NTA variable per-diem adjustment factor is:
Days 1–3: 3.00
Days 4–100: 1.00
This reflects the concentration of many non-therapy ancillary costs near the beginning of a SNF stay.
That means accurate NTA classification at admission can be particularly important.
A missed supported NTA condition can potentially affect reimbursement.
An unsupported NTA condition can create repayment, denial, audit, or compliance exposure.
The goal of an NTA review should therefore be accuracy, not simply maximizing points.
Common NTA Conditions and Services
NTA qualification can involve diagnoses, extensive services, and other MDS-reported clinical information.
Depending on the CMS grouper version in effect, qualifying categories may include conditions or services involving areas such as:
- HIV/AIDS
- parenteral or IV feeding
- IV medications
- ventilator or respirator use
- organ transplant status
- transfusions
- multiple sclerosis
- opportunistic infections
- certain wound conditions
- malnutrition
- feeding tubes
- ostomies
- immune disorders
- chronic pulmonary conditions
- epilepsy
- selected oncology-related conditions
- selected complex medical diagnoses
The exact qualifying criteria, ICD-10 mappings, MDS items, and point values must be validated against the current CMS grouper.
RevOptix1 should therefore avoid treating NTA as a fixed checklist.
Instead, the platform can maintain a version-controlled NTA rules engine tied to the assessment date.
How Documentation Supports NTA
Having a diagnosis somewhere in the record does not automatically mean the condition should be used for NTA classification.
The condition or service must meet the applicable CMS and MDS coding requirements.
Evidence may come from:
- physician documentation
- practitioner documentation
- hospital records
- diagnosis lists
- medication records
- MAR
- TAR
- nutrition documentation
- respiratory therapy documentation
- wound documentation
- nursing assessments
- nursing notes
- specialty consultation
- treatment records
- laboratory results
- applicable MDS sections
A strong NTA audit asks two separate questions:
1. Is the condition or service present?
and
2. Does the available documentation support coding it under the applicable CMS rules?
Those are not always the same question.
RevOptix1 helps organize the supporting evidence so the MDS professional or qualified reviewer can make the final determination.
NTA Documentation vs. MDS Coding
One of the most valuable NTA reviews is a comparison between what appears in the resident record and what appears on the MDS.
There are four possible outcomes.
1. Supported and correctly represented
Medical record: supported
MDS: present
NTA: correctly recognized
Result
No obvious discrepancy identified.
2. Supported in the chart but potentially missing from the MDS
Medical record: qualifying condition appears supported
MDS: potentially absent
Result
Potential missed NTA opportunity requiring human review.
3. Present on the MDS but supporting documentation is unclear
MDS: condition/service coded
Medical record: insufficient or conflicting support identified
Result
Potential compliance or repayment risk requiring review.
4. Condition exists but does not qualify under current NTA rules
Medical record: diagnosis exists
MDS: diagnosis may be present
NTA rules: condition does not produce points under the applicable grouper
Result
No NTA opportunity merely because the diagnosis exists.
This distinction is critical.
RevOptix1 should not equate:
diagnosis found = NTA points
Instead, it should evaluate:
- diagnosis found
- documentation support
- applicable MDS coding
- current CMS NTA mapping
- NTA qualification
NTA Opportunities vs. Unsupported NTA Risk
A good NTA audit looks in both directions.
Potential Missed NTA Opportunity
A resident record may contain a qualifying condition or service that appears supported but was not represented appropriately in the assessment.
That may warrant review for a legitimate reimbursement opportunity.
For example:
Chart evidence
qualifying condition supported
Current NTA mapping
condition carries applicable points
MDS
condition appears absent
RevOptix1
potential missed NTA condition
Human reviewer
validates whether correction or other action is appropriate.
Unsupported NTA Risk
The opposite can also occur.
An NTA condition may appear on the MDS, but the documentation required to support the coding may be incomplete, inconsistent, outdated, or otherwise insufficient.
That can create:
- audit exposure
- claim-denial risk
- repayment exposure
- inaccurate PDPM classification
- compliance concerns
RevOptix1 should flag these cases just as aggressively as missed reimbursement opportunities.
That creates a balanced approach:
Find supported opportunities.
Find unsupported risk.
Document the evidence for both.
How RevOptix1 Reviews NTA
RevOptix1 can evaluate NTA through several layers rather than simply checking an ICD-10 list.
Step 1 — Identify the assessment
RevOptix1 identifies:
- assessment type
- assessment reference date
- applicable Medicare stay
- relevant CMS grouper version
Step 2 — Extract potential NTA evidence
The system searches supported clinical data for:
- diagnoses
- ICD-10-CM codes
- conditions
- extensive services
- medications
- nutrition interventions
- respiratory treatment
- wounds
- procedures
- MAR entries
- TAR entries
- relevant MDS responses
Step 3 — Apply current CMS NTA rules
Potential conditions are compared with the CMS rules applicable to the assessment date.
RevOptix1 can identify:
Qualifying
Potentially qualifying
Not qualifying
Insufficient evidence
Requires human review
Step 4 — Calculate the expected NTA score
For supported qualifying items:
- NTA condition
- CMS point value
- Total score
- NTA group
- Expected NTA classification
Step 5 — Compare against the submitted MDS
RevOptix1 can then compare:
Facility result
What was reported on the MDS.
versus
CMS reference result
What the current grouper logic produces from the MDS data.
versus
Chart-supported result
What conditions and services appear supported by the underlying clinical documentation.
This is one of the most important differences between a simple NTA calculator and an NTA audit system.
The RevOptix1 NTA Review Model
- Clinical Record
- Diagnoses
- MAR/TAR
- Treatments and Services
- Current CMS NTA Rules
- MDS Coding
- Expected NTA Points
- Expected NTA Group
- Submitted NTA Classification
- Conflict Detection
- Human Review
The purpose is not to automatically change reimbursement.
The purpose is to tell the reviewer:
What was found
Where it was found
Why it may qualify
What CMS rule applies
Whether the MDS agrees
What should be reviewed next
Sample NTA Audit
Synthetic example — not an actual resident
A resident is admitted to the SNF following an acute hospitalization.
The resident record contains documentation of:
- a qualifying nutritional intervention
- IV medication during the relevant assessment period
- an additional complex medical condition
- nursing and practitioner documentation supporting the services
The facility's MDS appears to capture some—but not all—of the applicable information.
RevOptix1 review
Potential NTA finding
Condition/service: Qualifying NTA item identified
Source evidence:
Hospital documentation, nursing documentation, treatment record, and applicable medication record.
Current CMS rule:
Potential NTA qualification identified under the grouper applicable to the assessment date.
MDS comparison:
The corresponding condition or service does not appear to be represented as expected.
Potential effect:
NTA score and classification may require review.
Recommended action:
Qualified MDS or reimbursement staff should verify the supporting documentation, current CMS coding requirements, and applicable assessment before determining whether any correction is appropriate.
RevOptix1 does not automatically change the MDS or bill.
It identifies the potential discrepancy and presents the supporting evidence.
Example of Unsupported NTA Risk
RevOptix1 can also identify the reverse situation.
MDS
Qualifying NTA condition coded.
Chart review
The available medical record does not contain clear supporting evidence that the condition meets the applicable coding criteria.
RevOptix1 finding
Potential documentation support issue
NTA condition: Reported
MDS: Present
Supporting evidence: Limited or conflicting
Risk: NTA points may require validation.
Recommended action: Review applicable CMS coding criteria and the full medical record before claim submission or correction.
This balanced approach is important because a defensible reimbursement program must address both under-coding and unsupported coding.
NTA Audit Checklist
Use this checklist when reviewing the NTA component of a Medicare Part A SNF assessment.
Assessment and Rules
- Verify the assessment reference date.
- Determine the correct CMS PDPM grouper version.
- Confirm the applicable ICD-10-CM fiscal-year mappings.
- Verify that current NTA rules are being used.
Diagnoses
- Review active diagnoses.
- Review applicable I8000 ICD-10-CM diagnoses.
- Review physician and practitioner documentation.
- Compare hospital diagnoses with SNF documentation.
- Determine whether diagnoses meet current MDS coding requirements.
- Identify qualifying NTA diagnoses.
- Identify diagnoses that appear unsupported.
Extensive Services
- Review IV medication documentation.
- Review parenteral or enteral nutrition.
- Review ventilator or respiratory support.
- Review transfusion documentation.
- Review applicable treatments and procedures.
- Confirm timing within the relevant look-back or assessment period.
Clinical Record
- Review nursing documentation.
- Review MAR.
- Review TAR.
- Review nutrition records.
- Review wound documentation.
- Review respiratory documentation.
- Review specialty notes.
- Review medication indications when relevant.
MDS Comparison
- Compare supported conditions with the MDS.
- Identify potentially missed qualifying conditions.
- Identify coded conditions with weak documentation support.
- Validate the applicable MDS item.
- Calculate NTA points.
- Sum the total NTA score.
- Determine the expected NTA case-mix group.
- Compare expected classification with the submitted classification.
Reimbursement and Compliance
- Determine whether a discrepancy can affect NTA classification.
- Consider the NTA variable per-diem adjustment.
- Document supporting evidence.
- Route questionable findings to qualified clinical or reimbursement staff.
- Do not change coding based solely on reimbursement impact.
- Validate any correction against current CMS guidance before submission.
Why an NTA Audit Matters
NTA is one of the areas where relatively small documentation or coding differences can have meaningful implications.
A strong NTA review can help a facility:
- identify supported conditions that may have been overlooked
- identify unsupported coding
- validate NTA points
- validate NTA case-mix classification
- improve MDS-to-chart alignment
- reduce reliance on outdated reference tables
- strengthen documentation
- prepare for external review
- improve reimbursement accuracy
- reduce repayment and denial exposure
The goal is not the highest possible NTA score.
The goal is the most accurate defensible NTA score supported by the resident's clinical record and current CMS rules.
NTA Should Not Be Reviewed in Isolation
The NTA component interacts with the larger PDPM and reimbursement picture.
RevOptix1 connects NTA review with other parts of the resident record.
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Frequently Asked Questions
What does NTA mean in PDPM?
NTA means Non-Therapy Ancillary.
It is one of the five case-mix-adjusted components of the Patient Driven Payment Model used for Medicare Part A skilled nursing facility payment.
The NTA component accounts for certain conditions and extensive services associated with higher non-therapy costs.
How are NTA points calculated?
CMS assigns point values to qualifying conditions and extensive services.
Applicable points are added together to calculate the resident's total NTA comorbidity score.
That score determines the resident's NTA case-mix group.
What are the NTA groups?
Under the PDPM NTA classification structure:
- NA: 12+ points
- NB: 9–11 points
- NC: 6–8 points
- ND: 3–5 points
- NE: 1–2 points
- NF: 0 points
Facilities should use the current CMS grouper applicable to the assessment date.
Does every diagnosis generate NTA points?
No.
Only conditions and services meeting the applicable CMS NTA criteria generate points.
A diagnosis appearing in the medical record does not automatically create an NTA point opportunity.
Can multiple NTA conditions be counted?
Qualifying NTA conditions and services contribute their applicable points to the resident's total NTA score according to CMS rules.
The rules governing individual conditions and mappings should be applied using the current grouper version.
Why are the first three days important for NTA?
The NTA component has a variable per-diem adjustment.
Under PDPM, the NTA adjustment factor is 3.00 for days 1 through 3 and 1.00 beginning on day 4.
This reflects the concentration of many NTA-related costs near the beginning of the SNF stay.
Can RevOptix1 find missing NTA conditions?
RevOptix1 can identify documentation that appears consistent with a qualifying NTA condition or service and compare that information with the MDS.
A qualified facility reviewer should determine whether the condition actually meets applicable CMS criteria and whether a correction is appropriate.
Can RevOptix1 identify unsupported NTA coding?
Yes.
RevOptix1 can flag situations where an NTA condition appears on the MDS but the supporting clinical documentation is missing, limited, or inconsistent.
Those findings should be reviewed by qualified facility personnel.
Does RevOptix1 automatically change the NTA score?
No.
RevOptix1 is designed as a documentation, reimbursement, and compliance decision-support system.
It identifies potential discrepancies and supporting evidence.
Final coding and billing decisions remain with qualified professionals.
Can NTA rules change?
Yes.
CMS updates PDPM technical specifications, ICD-10 mappings, and grouper logic.
For example, CMS's FY2027 grouper update changed the NTA comorbidity mappings.
That is why NTA validation should use the CMS rules applicable to the resident's assessment date rather than a permanently fixed reference table.
What documentation can support an NTA condition?
Depending on the condition or service, supporting evidence may include:
- practitioner documentation
- diagnoses
- hospital records
- nursing documentation
- MAR
- TAR
- nutrition documentation
- respiratory records
- wound records
- treatment documentation
- MDS responses
The exact documentation required depends on the condition and applicable MDS coding criteria.
What is the difference between an NTA calculator and an NTA audit?
An NTA calculator typically takes known qualifying conditions and calculates a score.
An NTA audit goes further.
It asks:
Is the condition actually supported?
Was a supported condition missed?
Does the MDS agree with the record?
Is the correct CMS grouper being used?
Does the calculated NTA group match the submitted classification?
RevOptix1 is designed around this broader validation approach.
Make NTA Review Defensible
NTA should not be treated as a checklist of diagnoses.
A defensible NTA process connects:
- Resident condition
- Clinical evidence
- Current CMS rules
- MDS coding
- NTA points
- NTA classification
- Reimbursement
RevOptix1 helps skilled nursing facilities find that connection.
Identify supported opportunities. Detect unsupported risk. Validate the classification.
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This is a marketing page. Do not upload protected health information here. Chart review happens in the signed-in software after the applicable BAA path. RevOptix1 is decision-support technology, not auto-coding software.