release flexor hallucis longus cpt r transplant; flexor or extensor, foot or toe (e.g., FHL transfer) While these codes cover general tendon procedures, specific codes for FHL release are often context-dependent. Specific CPT Codes for FHL Tendon Procedures 27615 – Tendon release, ankle or foot, open, including tenotomy, lengthening, Apr 14, 2026 Read more →