ICD-10-CM › M00-M99 › M20-M25 › M21 Other acquired deformities of limbs › M21.8
M21.8
Other specified acquired deformities of limbs
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 5 more specific codes instead:
- M21.80 Other specified acquired deformities of unspecified limb
- M21.82 Other specified acquired deformities of upper arm (also a header)
- M21.83 Other specified acquired deformities of forearm (also a header)
- M21.85 Other specified acquired deformities of thigh (also a header)
- M21.86 Other specified acquired deformities of lower leg (also a header)
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Other specified acquired deformities of limbs
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from M21 Other acquired deformities of limbs
Excludes1 - never coded here
- acquired absence of limb (Z89.-)
- congenital absence of limbs (Q71-Q73)
- congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)
Excludes2 - not included here
- acquired deformities of fingers or toes (M20.-)
- coxa plana (M91.2)
Inherited from the M20-M25 section Other joint disorders (M20-M25)
Excludes2 - not included here
- joints of the spine (M40-M54)
Codes in the same group
| Code | Description | Status |
|---|---|---|
| M21.0 | Valgus deformity, not elsewhere classified | Not billable |
| M21.1 | Varus deformity, not elsewhere classified | Not billable |
| M21.2 | Flexion deformity | Not billable |
| M21.3 | Wrist or foot drop (acquired) | Not billable |
| M21.4 | Flat foot [pes planus] (acquired) | Not billable |
| M21.5 | Acquired clawhand, clubhand, clawfoot and clubfoot | Not billable |
| M21.6 | Other acquired deformities of foot | Not billable |
| M21.7 | Unequal limb length (acquired) | Not billable |
| M21.9 | Unspecified acquired deformity of limb and hand | Not billable |