CPT 21936

Soft Tissue Tumor Classification

• Body region: Back / flank
• Depth: radical soft tissue resection
• Size category: 5 cm or greater
• Procedure type: radical resection
• Laterality: Not applicable

ClaimIQ Checks

• Descriptor, size threshold, depth classification, and body region are locked to the musculoskeletal soft tissue tumor source table.
• Assistant-at-surgery allowed: yes.
• Co-surgery eligible: yes.
• Multiple-procedure indicator: 2; Case Builder ranks this family through the MPPR engine.

Common Modifiers

None typically required

Documentation and Coding Notes

Document the exact anatomic site, tumor size, depth relative to fascia or muscle, whether the operation was simple excision versus radical resection, and laterality when applicable.

For multi-procedure cases, use our Case Builder to calculate adjusted wRVUs with MPPR ranking.

Related Soft Tissue Tumor Codes

CPT 21920 — Biopsy, soft tissue of back or flank; superficial CPT 21925 — Biopsy, soft tissue of back or flank; deep CPT 21930 — Excision, tumor, soft tissue of back or flank, subcutaneous; less than 3 cm CPT 21931 — Excision, tumor, soft tissue of back or flank, subcutaneous; 3 cm or greater CPT 21932 — Excision, tumor, soft tissue of back or flank, deep, subfascial or intramuscular; less than 5 cm CPT 21933 — Excision, tumor, soft tissue of back or flank, deep, subfascial or intramuscular; 5 cm or greater CPT 21935 — Radical resection of tumor, soft tissue of back or flank; less than 5 cm