CurrentNeighborhood Health Plan of Rhode IslandPolicy N/A

Billing and Reimbursement Guideline: Unlisted/Unspecified Procedure Codes

Governs billing, documentation, and reimbursement requirements for services submitted with unlisted or not otherwise classified procedure codes for Neighborhood Health Plan of Rhode Island providers across all places of service and claim forms.

Policy Summary

PayerNeighborhood Health Plan of Rhode Island

PolicyBilling and Reimbursement Guideline: Unlisted/Unspecified Procedure Codes

Policy CodePolicy N/A

Change TypeFormat change and minor edits

Effective DateSep 1, 2010

Next Review DateN/A

Key ActionSubmit supporting documentation and a medical report when billing unlisted or 'not otherwise classified' procedure codes prior to consideration of payment.

SourceLink

POLICY UPDATE CHANGES

Format change and minor edits were made to the guideline on 9/1/2013.

CMS-1500/UB-92claim form applicability

all placesplace-of-service scope

requireddocumentation requirement

experimental not coveredexclusions

Unlisted Code Coverage Criteria

Coverage consideration requires adequate supporting documentation and excludes experimental or non‑FDA‑approved procedures/devices.

Supporting documentation must be submitted prior to consideration of payment

Medical report must include: nature and extent of the procedure; medical necessity; total time, effort, and equipment needed; complexity of the symptoms; final diagnosis; physical findings; concurrent problems; and follow-up care

Do not bill an unlisted code when another specific CPT code appropriately describes the service; if necessary, bill the closest or most similar unlisted code

Procedures or devices that are experimental or not FDA‑approved are not covered

This guideline applies to both CMS-1500 and UB-92 claim submissions and to all places of service

Policy Summary

PayerNeighborhood Health Plan of Rhode Island

PolicyBilling and Reimbursement Guideline: Unlisted/Unspecified Procedure Codes

Policy CodePolicy N/A

Change TypeFormat change and minor edits

Effective DateSep 1, 2010

Next Review DateN/A

Key ActionSubmit supporting documentation and a medical report when billing unlisted or 'not otherwise classified' procedure codes prior to consideration of payment.

SourceLink

On This Page

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.

Documentation & Billing Requirements for Unlisted Codes

Documentation Required

Documentation required for unlisted/NOC codes

Services billed with unlisted procedure codes or a 'not otherwise classified' code require supporting documentation before payment will be considered; providers should bill the closest or most similar unlisted code and include a medical report detailing nature/extent, medical necessity, total time/effort/equipment, complexity, final diagnosis, physical findings, concurrent problems, and follow-up care.

Submit supporting documentation prior to consideration of payment.
Bill only when no other specific code is appropriate; use the closest or most similar unlisted code.
Include a medical report with: nature and extent of procedure; medical necessity; total time, effort, and equipment; complexity; final diagnosis; physical findings; concurrent problems; and follow-up care.

Key Definitions

Unlisted Procedure / NOC Definition and Requirements

DefinitionAn unlisted procedure / not otherwise classified (NOC) code is used when no other specific CPT code appropriately describes the service.

Documentation requirementServices billed with unlisted or 'not otherwise classified' codes require supporting documentation prior to consideration of payment.

Billing guidanceUnlisted procedures should only be billed when no other code is appropriate; bill the closest or most similar unlisted code when necessary.

Required medical report elementsInclude nature/extent of procedure, medical necessity, total time/effort/equipment, complexity, final diagnosis, physical findings, concurrent problems, and follow-up care.

OpenPayer

Billing and Reimbursement Guideline: Unlisted/Unspecified Procedure Codes

Unlisted Code Coverage Criteria

Unlisted / NOC Codes and Exclusions

Documentation & Billing Requirements for Unlisted Codes

Key Definitions