CurrentColorado Rocky Mountain Health PlansPolicy N/A

Anatomical modifier requirements for procedure coding

This reimbursement policy governs the required use of anatomical and laterality modifiers with certain CPT and HCPCS procedure codes for UnitedHealthcare Community Plan Medicaid products and applies to claims submitted on CMS-1500 or UB04 forms by network and non-network providers.

Policy Summary

PayerColorado Rocky Mountain Health Plans

PolicyAnatomical modifier requirements for procedure coding

Policy CodePolicy N/A

Change TypeNo material changes

Effective DateN/A

Next Review DateN/A

Key ActionReport PCI codes with one of five anatomical PCI modifiers and bill surgical (10000-69999) and radiological (70000 series) codes with the appropriate anatomical modifier.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

5 modifiersPCI modifier requirement

10000-69999; 70000sCode ranges requiring modifiers

UHC Community PlanProduct applicability

Multiple statesState exceptions

Anatomical Modifier Billing Requirements

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Anatomical modifier billing requirements

Covered when ALL of the following are met:

ALL of the following

PCI procedure codes must be reported with one of the five anatomical PCI modifiers (one corresponding to left main, left anterior descending, left circumflex, right, or ramus intermedius) to be considered for reimbursement.
Surgical CPT codes in the 10000-69999 series must be billed with the appropriate anatomical modifier for the anatomical site where the procedure was performed.
Radiological CPT codes in the 70000 series must be billed with the appropriate anatomical modifier for the anatomical site where the procedure was performed.
Claims should be coded to the highest specificity; claim lines may deny when billed without highest specificity or lacking the required anatomical modifier.
State-specific exceptions apply as listed in the State Exceptions section; certain states are exempt from portions of this policy.

PCI modifier details

PCI includes stent placement, atherectomy, and balloon angioplasty per CMS NCCI guidance.
There are five major coronary arteries; UnitedHealthcare requires reporting with the matching anatomical PCI modifier for reimbursement consideration.

Operational note

Providers are responsible for submission of accurate claims and must report PCI and specified surgical and radiological codes with the appropriate anatomical modifier on claims (CMS-1500, electronic equivalent, or UB04 as applicable).

Relevant Procedure and Modifier Codes

PCI and related HCPCS codesmixed

92920	PCI-related code listed in PCI Codes section
92924	Mapped/related PCI code per policy listing
92928	Mapped/related PCI code per policy listing
92933	Mapped/related PCI code per policy listing
92937	Mapped/related PCI code per policy listing
92941	Mapped/related PCI code per policy listing
92943	Mapped/related PCI code per policy listing
92973	PCI code with associated HCPCS mappings
92974	Mapped PCI code per policy listing
C9600	HCPCS mapping listed

1–10 of 18

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Surgical and Radiological codesCPTCovered

10000-69999	Surgical procedure code series requiring anatomical modifier
70000-79999	Radiological procedure code series requiring anatomical modifier (70000 Series referenced)

inv-04: PCI anatomical modifier requirement

RequirementOne of five anatomical PCI modifiers (corresponding to the five major coronary arteries: left main, left anterior descending, left circumflex, right, ramus intermedius) must be reported with PCI procedure codes for the claim to be considered for reimbursement.

Applies toPercutaneous coronary intervention (PCI) CPT/HCPCS codes as listed in the PCI Codes section.

PurposeEnsure highest specificity of anatomical site to support accurate reimbursement and coding consistency.

ConsequenceClaims billed without one of the required anatomical PCI modifiers may be denied or not considered for reimbursement.

Billing and Claim Submission Responsibilities

Documentation Required

Provider claim submission responsibility

You are responsible for submission of accurate claims that use the code or codes that correctly describe the health care services provided. This policy uses CPT, CMS, and other coding guidelines and applies to services reported on CMS-1500 (or electronic equivalent) and, when specified, UB04 forms.

Billing Rule

Modifier reporting requirement for PCI, surgical, and radiological codes

Report PCI procedure codes with one of the five anatomical PCI modifiers to be considered for reimbursement, and bill surgical CPT codes (10000–69999 series) and radiology codes (70000 series) with the appropriate anatomical modifier for the procedure performed.

PCI codes must include one of the five anatomical modifiers corresponding to the major coronary arteries (left main, left anterior descending, left circumflex, right, ramus intermedius).
Surgical CPT codes in the 10000–69999 series require the appropriate anatomical modifier for the anatomical site.
Radiological codes in the 70000 series require the appropriate anatomical modifier for the anatomical site.

Key Terms

inv-07: Modifier — definition

DefinitionA modifier is a two-character code added to the end of a procedure or service code to clarify the services being billed and provide additional information such as anatomical site.

FunctionAdds specificity to procedure codes to reduce appearance of duplicate billing and unbundling and to improve reimbursement accuracy.

FormatTwo characters appended to CPT/HCPCS procedure codes per CMS guidance.

Use guidanceApply when appropriate to capture additional information (e.g., anatomical site, laterality) required by payer or coding rules.

inv-08: Percutaneous Coronary Intervention (PCI)

DefinitionPercutaneous Coronary Intervention (PCI) is a nonsurgical procedure to treat narrowed (stenotic) coronary arteries, commonly known as coronary angioplasty.

Included proceduresPCI includes stent placement, atherectomy, and balloon angioplasty as described by CMS NCCI guidance.

Coding implicationPCI procedures have specific CPT and HCPCS codes and must be reported with one of five anatomical PCI modifiers for reimbursement consideration.

Anatomical sitesFive major coronary arteries correspond to the modifiers: left main, left anterior descending, left circumflex, right, and ramus intermedius.

inv-09: Anatomical modifiers

DefinitionAnatomical modifiers designate the specific anatomical area where a procedure was performed to provide higher billing specificity.

PurposeProvide highest specificity for procedure site and support accurate claim adjudication, reducing denials for insufficient specificity.

Required code seriesSpecific Surgical CPT codes (10000-69999 series) and Radiology codes (70000 series) must be billed with the appropriate anatomical modifier.

Relationship to lateralityUse of laterality and/or anatomical modifiers together helps achieve highest specificity for the billed procedure.