M21.5
Acquired clawhand, clubhand, clawfoot and clubfoot
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 16 never code together
M21code
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 2
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 9 same parent — M21
M21.0 Valgus deformity, not elsewhere classified category M21.1 Varus deformity, not elsewhere classified category M21.2 Flexion deformity category M21.3 Wrist or foot drop (acquired) category M21.4 Flat foot [pes planus] (acquired) category M21.6 Other acquired deformities of foot category M21.7 Unequal limb length (acquired) category M21.8 Other specified acquired deformities of limbs category M21.9 Unspecified acquired deformity of limb and hand category
Subordinate codes 4
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.