CurrentHealthfirstPolicy PO-RE-075v2

Laboratory Procedures Reimbursement Policy

Requirements and billing/reimbursement rules for outpatient laboratory claims submitted to Healthfirst, including modifier use, coding edits, and claim adjudication guidance for providers submitting lab services.

Policy Summary

PayerHealthfirst

PolicyLaboratory Procedures Reimbursement Policy

Policy CodePolicy PO-RE-075v2

Change TypeAnnual review — no material changes

Effective DateJun 1, 2023

Next Review Date

Key ActionEnsure claims are coded accurately and submitted in accordance with provider contract and timely filing requirements; non-adherent claims will be denied or rejected.

SourceLink

POLICY UPDATE CHANGES

1203/2025, 1 = Annual Review -No updates

6major edit types described

80320-80377AMA drug assay codes not reimbursed

PLA codesPLA codes not reimbursed (from 7/1/23)

QW, TC, 26, 90, 91Modifiers defined/required

Provider contractFinal reimbursement determined by

Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

Reimbursement and Coverage Rules for Laboratory Procedures

Reimbursement Criteria and Edits

Claims are evaluated against objective administrative and coding edits; reimbursement may be denied for specific scenarios described below.

Claims are evaluated against the following objective edits; reimbursement may be denied when any applicable edit is triggered.

Edit triggers

Exclusivity / additional tests on same DOS: Two procedure codes for the same patient on the same DOS may be denied when CCI/AMA guidance or clinical guidelines preclude billing both (e.g., components of a panel, multiple methodologies for same organism).
Denials are based on universal objective billing criteria, not clinical condition assessment.
Incorrect diagnosis code: Certain tests require specific diagnosis codes; absence of the required diagnosis will render the test non-reimbursable even though the edit does not perform a clinical evaluation of the patient.
Verify that the procedure is supported by the indicated diagnosis before billing.
Incorrect patient age: Some services are age-restricted (for example, newborn testing must be for members 28 days of age or younger).
Apply age-based coverage limits based on the member's age on the DOS.
Incorrect place of service: Claims will be denied if the Place of Service is inappropriate for the laboratory test/service performed.
Confirm the POS on the claim matches the setting where the service was rendered.
Once-per-lifetime tests: Certain laboratory services are limited to one lifetime occurrence; subsequent submissions will not be reimbursed.
Reference applicable medical policy for tests designated once-per-lifetime.
Unit threshold (daily and historical): If units billed exceed allowed maximums per DOS or established historical thresholds, reimbursement will be limited to the allowed maximum units as defined by CPT/HCPCS, medical policy, CCI, CMS, or statistical analyses.
Claims will be reimbursed only up to the allowed maximum units; excess units will not be paid.
Non-reimbursable codes: AMA drug assay codes 80320–80377 are not accepted and will not be reimbursed. Proprietary Laboratory Analyses (PLA) codes are not reimbursed starting July 1, 2023 unless a laboratory policy specifically covers the PLA code.
See related policy PO-RE-066v1 for guidance on replacement opioid testing codes (G0480–G0483).
Modifier requirements: Modifiers QW, TC, 26, 90, and 91 have specific use requirements; verify allowability before appending (for example, only independent clinical laboratories may append modifier 90; QW must be used for CLIA-waived tests).
Improper modifier use may trigger denials or recoupment.

Coverage stance and billing rules

Payer stance and limitations

This document does not guarantee coverage or payment; reimbursement decisions are based on the member's evidence of coverage, applicable state or federal requirements, and the provider's participation agreement.

Failure to follow coding, billing, and reimbursement guidelines (including national standards for NCCI, NCD/LCD, modifier usage, global surgery and multiple procedure reduction rules, medically unlikely edits, duplicate edits, and AMA/CMS CPT, HCPCS and ICD-10 principles) may result in denial and/or recoupment of claim payments.

Healthfirst claim edits follow national industry standards and New York state-specific coding, billing, and payment policies; providers should use this policy as a resource but confirm coverage and payment under the applicable evidence of coverage and provider contract.

Code Usage, Modifiers, and Non‑Reimbursable Codes

ModifiersModifier

QW	CLIA-waived test modifier; must be appended to CLIA-waived procedure codes.
TC	Technical component modifier; appended when only the technical component is rendered.
26	Professional component modifier; appended when only the professional component is provided.
90	Reference laboratory modifier; used when procedures are performed by a party other than the treating/reporting physician and billed by the physician; only independent clinical labs may append.
91	Repeat clinical lab test modifier; used when repeating same test on same DOS to obtain subsequent results; not for reruns due to specimen/equipment issues or when series codes exist.

Non-reimbursable / Replacement CodesCPT | HCPCSNot Covered

80320-80377	AMA drug assay codes not accepted and will not be reimbursed.
G0480-G0483	Referenced replacement codes for opioid testing (see PO-RE-066v1).

Referenced coding frameworksmixed

NCCI	National Correct Coding Initiative edits referenced as part of claim edit logic
CPT	AMA Current Procedural Terminology coding principles
HCPCS	HCPCS coding principles
ICD-10	ICD-10 coding principles

inv-06: Unit maximums

Unit maximums policyClaims will be reimbursed only up to the allowed maximum number of units billed on a single DOS or over a period of time; if billed units exceed the assigned maximum, the claim line will be reimbursed only up to the allowed maximum.

Sources of unit limitsMaximum units are determined by CPT/HCPCS code descriptions, laboratory medical policy guidelines, anatomical/clinical limitations, scientific/statistical analyses, or third-party edits (e.g., CCI, CMS).

Application scopeLimits apply per patient per DOS for unique billing events and may be based on daily or historical thresholds.

Effect on reimbursementWhen a procedure code has an assigned maximum unit value and is reported with a greater unit count, reimbursement is limited to the number of units up to that allowed maximum.

Submission Expectations and Appeal / Adjudication

Denial Risk

Adjudication, Timely Filing, and Appeals — Provider Responsibilities

Reimbursement is determined by the provider's scope of services and the reimbursement rates in the provider contract with Healthfirst. Providers are responsible for ensuring claims are coded accurately and submitted within contractually defined timely filing requirements; claims that do not adhere to this policy will be denied or rejected. This policy does not guarantee coverage — final reimbursement depends on benefit coverage, state/federal mandates, medical necessity, and the provider contract. For appeals and corrected claims, follow the Healthfirst Provider Manual (Subsection 17.6).

Ensure claims are coded accurately before submission.
Submit claims within timely filing limits per provider contract and Healthfirst Provider Manual Subsection 17.6.
Use the appeal and corrected-claim processes described in the Provider Manual when required.

Key Terms and Abbreviations

inv-10: CLIA

TermCLIA

DefinitionClinical Laboratory Improvement Amendments

ContextListed among definitions used in the policy to describe regulatory requirements for lab testing and modifier usage (e.g., QW for CLIA-waived tests).

inv-11: PLA

TermPLA

DefinitionProprietary Laboratory Analyses

Policy notePLA codes are referenced in the policy; certain PLA codes are not reimbursed starting July 1, 2023 unless specifically covered by a laboratory policy (see related sections).