M21.5
M21.5 — Acquired clawhand, clubhand, clawfoot and clubfoot
Non-billable headerICD-10-CM
M21.5 is a non-billable header ICD-10-CM code for acquired clawhand, clubhand, clawfoot and clubfoot. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1 — never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- clubfoot, not specified as acquired (Q66.89)
Risk adjustment
M21.5 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead M21.5
4 child codes. Green means billable.
Related codes at this level
Codes that share M21. If M21.5 is not quite right, the correct code is usually one of these.
- M21.0Valgus deformity, not elsewhere classified
- M21.1Varus deformity, not elsewhere classified
- M21.2Flexion deformity
- M21.3Wrist or foot drop (acquired)
- M21.4Flat foot [pes planus] (acquired)
- M21.6Other acquired deformities of foot
- M21.7Unequal limb length (acquired)
- M21.8Other specified acquired deformities of limbs
- M21.9Unspecified acquired deformity of limb and hand
Questions about M21.5
- Is M21.5 a billable ICD-10-CM code?
- No. M21.5 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does M21.5 sit in the tabular list?
- Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Other joint disorders (M20-M25).
- What cannot be coded together with M21.5?
- M21.5 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.