Summary & Overview
CPT 11104: Punch Biopsy of Skin, Single Lesion
CPT code 11104 represents a punch biopsy of the skin for a single lesion, a procedure frequently performed to diagnose skin disorders and neoplasms. This code is widely recognized across the United States and is integral to dermatology, family medicine, and dermatopathology practices. The procedure is typically conducted in an office setting, making it accessible for patients requiring skin evaluations.
Major national payers, including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare, provide coverage for services billed under CPT code 11104. The publication offers a comprehensive overview of payer policies, clinical benchmarks, and billing practices relevant to this code. Readers will gain insights into the clinical context of punch biopsies, common billing modifiers such as 59 and 51, and associated provider taxonomies. Additionally, the summary includes information on related CPT codes and ICD-10 diagnoses commonly linked to punch biopsy procedures.
This article is designed to inform healthcare professionals, billing specialists, and policy analysts about the national landscape for CPT code 11104, including payer coverage, clinical indications, and procedural details. It serves as a resource for understanding the role of punch biopsies in skin disease management and the nuances of medical billing for this essential service.
CPT Code Overview
CPT code 11104 is used to report a punch biopsy of skin for a single lesion, including simple closure when performed. This procedure is classified under surgery and biopsy procedures on the skin and is commonly performed in an office setting (Place of Service 11). Punch biopsies are essential for diagnosing a variety of skin conditions and are a routine part of dermatologic and primary care practice.
Clinical & Coding Specifications
Clinical Context
A patient presents to a dermatology or family medicine office with a suspicious skin lesion. The provider determines that a punch biopsy is necessary to obtain a tissue sample for diagnostic evaluation. The procedure involves using a circular blade to remove a small core of skin from the single lesion, followed by simple closure if needed. This workflow is typical for evaluating lesions of uncertain behavior, possible malignancy, or other skin disorders. The service is performed in an office setting (Place of Service 11) by providers such as dermatologists, family medicine physicians, or dermatopathologists.
Coding Specifications
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Modifier
59: Distinct Procedural Service. Used when a punch biopsy is performed on a different anatomical site or during a separate session from other procedures, indicating that the service is separate and distinct. -
Modifier
51: Multiple Procedures. Applied when multiple procedures, including punch biopsies, are performed during the same encounter. This modifier indicates that more than one procedure was performed.
| Provider Taxonomy Code | Specialty Name |
|---|---|
207N00000X | Dermatology Physician |
207Q00000X | Family Medicine Physician |
208D00000X | Dermatopathology Physician |
Related Diagnoses
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L98.9: Disorder of the skin and subcutaneous tissue, unspecified- Used when the skin lesion's nature is unclear and further evaluation is needed.
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D48.5: Neoplasm of uncertain behavior of skin- Applied when the lesion may be neoplastic but its behavior (benign or malignant) is not yet determined.
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L82.1: Other seborrheic keratosis- Used for lesions suspected to be seborrheic keratosis but requiring biopsy for confirmation.
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L91.8: Other hypertrophic disorders of the skin- Relevant for skin lesions presenting as hypertrophic growths needing diagnostic clarification.
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C44.99: Other specified malignant neoplasm of skin- Used when the lesion is suspected to be a malignant neoplasm not otherwise specified, warranting biopsy for diagnosis.
Related CPT Codes
11105: Punch biopsy of skin (including simple closure, when performed); each separate/additional lesion (List separately in addition to code for primary procedure)
11105 is used in conjunction with 11104 when punch biopsies are performed on more than one lesion during the same encounter. 11104 is reported for the first lesion, and 11105 is reported for each additional lesion biopsied. These codes are commonly used together when multiple lesions require biopsy.
National Reimbursement Benchmarks
For CPT code 11104, the national mean rate for Medicare is $125.97, while the BUCA (average commercial) mean rate is $121.70. This places Medicare slightly above the commercial average, though both are below the mean rates for individual commercial payers such as UnitedHealth Group ($166.87) and Cigna ($145.08).
Rate dispersion, measured by the difference between the 75th and 25th percentiles, varies significantly across payers. Medicare shows the tightest range at $15.00, indicating relatively consistent reimbursement rates. In contrast, UnitedHealth Group exhibits the widest range at $86.67, reflecting greater variability in commercial rates. Cigna also has a wide dispersion at $74.90, while Aetna and Blue Cross Blue Shield are more moderate.
The table and chart below present the full breakdown of national benchmarks for each payer, including mean rates and percentile values.
State Benchmarks
State: AK1 / 50
Alaska Benchmarks
Alaska exhibits a wide spread in reimbursement rates for CPT code 11104, with the 75th percentile minus the 25th percentile ranging from $66.63 for Cigna up to $66.00 for Blue Cross Blue Shield, and a notably larger spread for BUCA at $116.92. This indicates substantial variability in payment levels across payers. Compared to national averages, all Alaska payers offer considerably higher mean rates, with Aetna and UnitedHealth Group standing out for their elevated reimbursement levels relative to their national benchmarks.
The table and chart below present the full breakdown of mean rates and percentile values for each payer in Alaska, highlighting the differences in payment structures and the overall premium that Alaska payers provide for CPT code 11104.
Key Insights for Alaska
- Aetna is the highest paying payer in Alaska for CPT 11104, with a mean rate of $365.98.
- Medicare is the lowest paying payer, with a mean rate of $121.37.
- All Alaska payer rates are significantly higher than their respective national averages, with Aetna and UnitedHealth Group showing the largest deviations.
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