CPT 88304 Reimbursement Benchmarks & Policy | OpenPayer

Summary & Overview

CPT 88304: Surgical Pathology, Level III Gross and Microscopic Examination

CPT code 88304 is a nationally recognized billing code for Level III surgical pathology, encompassing both gross and microscopic examination of tissue specimens. This procedure is fundamental in the diagnosis and management of numerous medical conditions, including neoplasms, abnormal cytological findings, and polyps. The code is widely utilized in laboratory settings, where pathologists analyze samples to provide essential clinical insights.

Major payers covering CPT code 88304 include Aetna, Blue Cross Blue Shield, Cigna Health, Medicare, and UnitedHealthcare. The publication offers a comprehensive overview of payer coverage, policy updates, and clinical benchmarks relevant to this code. Readers will gain insight into the clinical context of surgical pathology, typical sites of service, and the importance of accurate coding for laboratory-based procedures.

Key topics addressed include the role of CPT code 88304 in anatomic and clinical pathology, common diagnoses associated with its use, and related codes such as CPT code 88305. The summary also highlights the use of modifiers for professional and technical components, as well as the taxonomies linked to pathology services. This resource is designed to inform healthcare professionals, billing specialists, and policy analysts about current trends and requirements for surgical pathology billing and reimbursement.

AetnaBlue Cross Blue ShieldCigna HealthMedicareUnitedHealthcareCPT 88304surgical pathologyanatomic pathologyclinical pathologylaboratory servicesgross and microscopic examinationmedical billingpolicy updatesbenchmarkspathology

CPT Code Overview

CPT code 88304 represents a Level III surgical pathology service involving both gross and microscopic examination of tissue specimens. This procedure is a core component of anatomic pathology, providing critical diagnostic information for a wide range of clinical scenarios. The typical site of service for CPT code 88304 is a laboratory setting, specifically designated as Place of Service 81. Surgical pathology services like this are essential for guiding patient management and treatment decisions across various healthcare settings.

Clinical & Coding Specifications

Clinical Context

A patient presents with a suspicious skin lesion, breast lump, colon polyp, or abnormal cervical cytology. The clinician performs a biopsy or excision of the tissue. The specimen is sent to the laboratory (Place of Service 81) for evaluation. A pathologist performs a Level III surgical pathology service, which includes both gross and microscopic examination of the specimen. The results inform diagnosis and guide further management.

Coding Specifications

Modifier 26: Used when reporting only the professional component of the pathology service (interpretation by the pathologist).
Modifier TC: Used when reporting only the technical component (preparation and processing of the specimen in the laboratory).

Taxonomy Code	Specialty Name
`207ZP0102X`	Anatomic Pathology
`207ZP0101X`

National Reimbursement Benchmarks

Medicare's national mean rate for CPT code 88304 is $28.54, which is lower than the BUCA (average commercial) mean rate of $32.78. Among the commercial payers, Blue Cross Blue Shield and Aetna have the highest mean rates, both above $35, while UnitedHealth Group and Cigna are closer to the BUCA average.

Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies across payers. Blue Cross Blue Shield shows the widest spread at $23.67, indicating significant variability in rates. UnitedHealth Group has the tightest range at $17.33, suggesting more consistent reimbursement levels. Cigna and Medicare also display notable dispersion, with ranges of $26.33 and $29.00, respectively.

The table and chart below present the full breakdown of national benchmarks for CPT code 88304 by payer.

State Benchmarks

State: Alaska1 / 51

Alaska Benchmarks

Alaska exhibits a notably wide rate spread for CPT code 88304, particularly among commercial payers. Blue Cross Blue Shield and BUCA show a spread of $29.19 and $29.95 respectively (75th minus 25th percentile), indicating substantial variability in reimbursement. In contrast, Aetna and UnitedHealthcare display minimal spread, with all percentiles clustered closely together, suggesting consistent rates across providers. Medicare's spread is $27.00, reflecting moderate variability among its localities.

Compared to national averages, Alaska's mean rates for all commercial payers are significantly higher. Aetna's mean rate in Alaska is nearly three times the national mean, and Blue Cross Blue Shield, BUCA, and UnitedHealthcare also exceed their national benchmarks by wide margins. The table and chart below present the full breakdown of payer-specific reimbursement rates for CPT code 88304 in Alaska.

Key Insights for Alaska

Aetna is the highest paying payer for CPT 88304 in Alaska, with a mean rate of $104.73, while Medicare is the lowest at $27.40.
All commercial payers in Alaska reimburse at rates significantly above their respective national averages, with Aetna's mean rate nearly three times the national mean.
The rate spread is widest for Blue Cross Blue Shield and BUCA, indicating substantial variability in commercial reimbursement compared to the more consistent rates from Aetna and UnitedHealthcare.

CPT 88302: Surgical Pathology, Level II Tissue Examination

88300-THE-PHYSICIAN-TYPICALLY-A-PATHOLOGIST-PERFORMS-A-LEVEL-I

CPT 88300: Surgical Pathology, Level I Specimen Examination

88307-LEVEL-V-SURGICAL-PATHOLOGY-GROSS-AND-MICROSCOPIC

CPT 88307: Surgical Pathology, Level V Tissue Examination

88305-LEVEL-IV-SURGICAL-PATHOLOGY-GROSS-AND-MICROSCOPIC

CPT 88305: Surgical Pathology, Level IV Tissue Examination

88309-LEVELVI-SURGICAL-PATHOLOGY-GROSS-AND-MICROSCOPIC

CPT 88309: Surgical Pathology, Level VI Tissue Examination

National Reimbursement Benchmarks

The table and chart below present the full breakdown of national benchmarks for CPT code 88304 by payer.

National Mean Rates for CPT 88304 by Payer

State Benchmarks

State: Alaska1 / 51

Alaska Benchmarks

Mean Reimbursement Rates by Payer in Alaska for CPT 88304

Key Insights for Alaska

Aetna is the highest paying payer for CPT 88304 in Alaska, with a mean rate of $104.73, while Medicare is the lowest at $27.40.
All commercial payers in Alaska reimburse at rates significantly above their respective national averages, with Aetna's mean rate nearly three times the national mean.
The rate spread is widest for Blue Cross Blue Shield and BUCA, indicating substantial variability in commercial reimbursement compared to the more consistent rates from Aetna and UnitedHealthcare.

CPT 88302: Surgical Pathology, Level II Tissue Examination

88300-THE-PHYSICIAN-TYPICALLY-A-PATHOLOGIST-PERFORMS-A-LEVEL-I

CPT 88300: Surgical Pathology, Level I Specimen Examination

88307-LEVEL-V-SURGICAL-PATHOLOGY-GROSS-AND-MICROSCOPIC

CPT 88307: Surgical Pathology, Level V Tissue Examination

88305-LEVEL-IV-SURGICAL-PATHOLOGY-GROSS-AND-MICROSCOPIC

CPT 88305: Surgical Pathology, Level IV Tissue Examination

88309-LEVELVI-SURGICAL-PATHOLOGY-GROSS-AND-MICROSCOPIC

CPT 88309: Surgical Pathology, Level VI Tissue Examination

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Summary & Overview

CPT 88304: Surgical Pathology, Level III Gross and Microscopic Examination

CPT Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

National Reimbursement Benchmarks

State Benchmarks

Alaska Benchmarks

Key Insights for Alaska

Related Codes

Related Diagnoses

Related CPT Codes

National Reimbursement Benchmarks

State Benchmarks

Alaska Benchmarks

Key Insights for Alaska

Related Codes