Summary & Overview
CPT 88233: Tissue Culture from Skin or Solid Tissue Biopsy for Nonneoplastic Disorder
CPT code 88233 covers the laboratory process of growing tissue cultures from skin or other solid tissue biopsies to evaluate nonneoplastic disorders. This code captures a specialized pathology service that supports diagnosis when examination of cultured cells is required to clarify inflammatory, infectious, or other non-cancerous tissue processes. Nationally, accurate reporting of 88233 matters for clinical diagnosis, laboratory workflow, and appropriate payment for complex specimen processing.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for using 88233, typical sites of service, and the scope of laboratory activity it represents. The publication outlines benchmarks and utilization patterns where available, highlights relevant policy considerations affecting laboratory coverage and documentation, and situates 88233 within pathology service lines that support nonneoplastic diagnostic evaluation.
The content is intended for billing managers, laboratory directors, and health policy analysts seeking a clear, national-level summary of the code’s clinical purpose, service setting, and payer coverage landscape. Data not available in the input for associated taxonomies, specific ICD-10 pairings, and related codes is noted where applicable.
Billing Code Overview
CPT code 88233 describes a laboratory procedure in which a lab analyst grows a tissue culture of cells from a skin or other solid tissue biopsy to evaluate a nonneoplastic disorder. This procedure involves establishing and maintaining a viable cell culture from a tissue specimen to support diagnostic evaluation.
-
Service type: Tissue culture and cell growth from skin or other solid tissue biopsy for diagnostic purposes
-
Typical site of service: Hospital pathology laboratory, independent clinical laboratory, or hospital outpatient laboratory setting
Data not available in the input for payers, associated taxonomies, ICD-10 diagnoses, and related codes.
Clinical & Coding Specifications
Clinical Context
A dermatology patient presents with a chronic, nonhealing skin lesion suspicious for a nonneoplastic inflammatory or infectious process (for example, chronic dermatitis, suspected cutaneous infection, or unexplained granulomatous lesion). The dermatologist obtains a punch or excisional skin biopsy and sends the specimen to the pathology/laboratory service. In the lab, a clinical laboratory scientist or histology technologist prepares a primary tissue culture to propagate keratinocytes, fibroblasts, or other nonneoplastic cell populations from the biopsy for microbiologic testing, immunologic assays, or specialized diagnostic studies (such as culture-directed antimicrobial sensitivity testing or investigation of primary cell behavior). The workflow includes specimen receipt, sterile tissue processing, placement into appropriate culture media, incubation, periodic microscopic evaluation for growth and contamination, and documentation of culture results. Results are reported to the ordering clinician to guide diagnosis and nonneoplastic management decisions (for example, targeted antimicrobial therapy or further immunologic workup).
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when reporting only the physician professional interpretation component if the lab performed the technical work separately. |