CurrentColorado Rocky Mountain Health PlansPolicy 2026R0056A

CMS-1500 claim form reimbursement and rebundling rules

Governs UnitedHealthcare reimbursement and rebundling edits for services billed on the CMS-1500 (professional) claim form for Commercial and Individual Exchange products, applying to physicians and other qualified health care professionals submitting claims.

Policy Summary

PayerColorado Rocky Mountain Health Plans

PolicyCMS-1500 claim form reimbursement and rebundling rules

Policy CodePolicy 2026R0056A

Change TypeNo material changes

Effective Date

Next Review Date

Key ActionSubmit accurate CMS-1500 claims using codes that most comprehensively describe services and apply appropriate modifiers to indicate altered or distinct services per coding guidance.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

CMS-1500claim form type governed

Commercial & Exchangeproducts covered

Quarterlyupdate frequency

~30recognized modifiers

Reimbursement and Rebundling Criteria

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Reimbursement criteria and examples

UnitedHealthcare will not reimburse services determined to be Incidental, Mutually Exclusive, Transferred, or Unbundled to a more comprehensive service unless the codes are reported with an appropriate modifier and supported by coding guidance.

Services reported by the Same Individual Physician or Other QHP for the same member on the same date of service are eligible for separate reimbursement only when they do not meet Incidental, Mutually Exclusive, Transferred, or Unbundled criteria or when an appropriate modifier is applied in accordance with coding guidance.

Rebundling edit sources: UnitedHealthcare sources rebundling edits to methodologies from CPT (AMA), CMS NCCI edits, CMS policy, and specialty societies; sources may be Definitive or Interpretive.

See Edit Sources for definitions of Definitive and Interpretive sources.

Modifier rules: Modifiers recognized by this policy may permit separate reimbursement only when used in accordance with CPT/CMS guidance; LT is informational and does not prevent bundling in certain situations.

UnitedHealthcare recognizes a designated list of modifiers; inappropriate use (e.g., modifier 76 for repeat labs) will not result in separate reimbursement.

Examples of non-reimbursable or bundled relationships

HCPCS J1642 (heparin lock flush) is included in practice expense and is not separately reimbursed.
CPT 99173 (vision screening) is not separately reimbursed when performed with an E/M service.
When 58150 (total abdominal hysterectomy) is billed with 58700 (salpingectomy) and 58940 (oophorectomy), 58700 and 58940 are not separately reportable as their descriptors are included in 58150 (CCI source).
Examinations under general anesthesia (e.g., 57410, 92502) are integral to related surgical procedures in the same anatomical area and are not separately reimbursable when reported with the related surgical procedure.
Many CPT medicine section (9xxxx) codes include E/M; modifier 25 only applies when a significant, separately identifiable E/M service is documented above and beyond the other service.

Operational notes on modifiers and lab repeats

Do not use modifier 76 to indicate repeat laboratory services; use 59, 91, XE, XP, XS, or XU as appropriate — modifier 76 will not result in separate laboratory reimbursement.
Modifiers only bypass bundling edits when applied according to correct coding guidelines and when the modifier accurately describes the clinical circumstance (e.g., distinct anatomic site or separate operative session).

Examples, Edit Sources, and Code Lists

Examples of coding relationships and non-reimbursable itemsmixedCovered

25,50,57,58,59,78,79,91,XE,XP,XS,XU,LT,LC,LD,LM,RC,RI,RT,FA,F1-F9,T1-T9,E1-E4	Modifiers recognized by policy (list indicates modifiers the policy recognizes; use according to coding guidelines).
J1642	Heparin lock flush — not reimbursed separately per CMS (included in practice expense).
99173	Vision screening — not reimbursed separately with E/M.
58150,58700,58940	58150 includes 58700 and 58940; 58700 and 58940 not separately reportable when submitted with 58150 (CCI source).
44950,44970,44979	44950 and 44970 are included in more extensive intra-abdominal procedures; laparoscopic appendectomy with another major procedure should be reported as 44979 per AMA guidance; no modifiers override these edits.
G2211,G0545	Visit complexity codes — not separately reimbursed with an E/M by same provider on same date.

Edit sources

Primary coding manualsCurrent Procedural Terminology (CPT) from the American Medical Association (AMA)

CMS editsCMS National Correct Coding Initiative (CCI) edits

CMS policyCMS policy and related CMS guidance

Specialty society guidanceRelevant specialty societies (e.g., AAOS, ACOG, ACC, SCIR)

Claims Tool / iCES/third‑party methodologiesUnitedHealthcare Claims Tool and third‑party methodologies used to source rebundling edits (Definitive or Interpretive)

Claims Submission and Modifier Use

Billing Rule

Submit accurate CMS-1500 claims and use appropriate modifiers

Submit accurate CMS-1500 claims using the code or codes that most comprehensively describe the health care services provided, and apply appropriate modifiers only when they accurately indicate an altered or distinct service per CPT/CMS guidance. UnitedHealthcare uses iCES Clearinghouse edits and may rely on CPT, CMS and other coding guidance when determining separate reimbursement; submit claims on the CMS-1500 (or its electronic equivalent) and ensure modifiers are used in accordance with coding rules to support separate payment.

Claims must be submitted on the CMS-1500 form (or electronic equivalent).
Use the CPT/HCPCS code(s) that most comprehensively describe the services performed.
Apply modifiers only when they accurately reflect an altered or distinct service and in accordance with CPT/CMS guidance and the policy’s recognized modifier guidance.
UnitedHealthcare processes claims using a customized iCES Clearinghouse and may apply edits based on CPT, CMS, NCCI and other coding sources.

Key Terms

Definition — Rebundling

DefinitionRebundling is identifying and combining specific coding relationships into the most comprehensive and/or appropriate procedure code when services are incidental, mutually exclusive, transferred, or unbundled.

PurposeTo ensure services billed together by the same provider on the same date are reimbursed as the single most appropriate comprehensive code unless an appropriate modifier justifies separate payment.

Sources informing applicationDeterminations are based on CPT, CMS CCI edits, CMS policy, specialty society guidance, and UnitedHealthcare Claims Tool interpretations.

Definition — Same Individual Physician or Other QHP

DefinitionThe Same Individual Physician or Other QHP is the same individual rendering health care services reporting the same Federal Tax Identification number.

ScopeApplies when multiple CPT/HCPCS codes are reported together for the same member on the same date of service.

ImplicationRebundling edits apply to codes billed by this same individual; modifiers may permit separate reimbursement only when used per CPT/CMS guidance.

Definition — Incidental Services

DefinitionIncidental Services: procedures performed with a primary procedure that are not essential to complete the procedure, do not typically have a significant impact on the work and time of the primary procedure, and are not separately reimbursable when performed with the primary procedure.

Reimbursement ruleIncidental procedures are not separately reimbursable when performed with the primary procedure unless an appropriate modifier and documentation support separate payment.

Example guidanceRefer to Claims Tool and source definitions to determine whether a service is incidental under Definitive or Interpretive sources.

Definition — Mutually Exclusive Services

DefinitionMutually Exclusive Services: services that cannot reasonably be performed in the same session or represent two methods of performing the same service; when billed together, the coding combination is considered submitted in error and only one of the services is allowed.

Determination criteriaOne or more criteria may be used: services cannot reasonably be done in same session, or codes represent alternate methods of the same service.

Edit outcomeWhen classified as mutually exclusive, only one service is allowed and separate reimbursement is not permitted.