21925 Biopsy soft tissue of back
Also known as: deep back soft tissue biopsy, deep back lesion biopsy
Biopsy of soft tissue of back, deep. Tissue sampling from deep back structures via needle aspiration, core needle biopsy, or open biopsy for histologic diagnosis.
In Plain Language
tissue sample from deep back mass; deep tissue test from back
Clinical Context
Used for diagnostic evaluation of deep back lesions extending into musculature or deeper structures. More extensive than superficial biopsy. Essential for differentiating malignancy, infection, or benign pathology.
RVU Breakdown
| Work RVU | 4.51 |
| Total RVU | 4.51 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
As a surgical CPT code, proper documentation must include the operative report detailing the procedure performed, patient positioning, approach, findings, and any complications. This code has a 90-day global period, which includes the day of the procedure, 1 day preoperative, and 90 days of postoperative care. Ensure the diagnosis code (ICD-10) supports medical necessity for the procedure.
How This Code Compares
With a work RVU of 4.51, this code ranks in the 31st percentile among Surgery codes — 1.8x below the median (8.00). The highest wRVU in this category is 106.19.
Specialties
Frequently Asked Questions
What is CPT code 21925?
CPT 21925 (Biopsy soft tissue of back) is a Surgery code. Biopsy of soft tissue of back, deep. Tissue sampling from deep back structures via needle aspiration, core needle biopsy, or open biopsy for histologic diagnosis.
What is the wRVU value for CPT 21925?
The work RVU for CPT 21925 is 4.51. This code is primarily used by General Surgery, Orthopedic Surgery. It has a 90-day global period.
When is CPT 21925 used?
Used for diagnostic evaluation of deep back lesions extending into musculature or deeper structures. More extensive than superficial biopsy. Essential for differentiating malignancy, infection, or benign pathology.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.