M21.9
Unspecified acquired deformity of limb and hand
- Release
- FY 2027
- Effective
Hierarchy
Where M21.9 sits in the official hierarchy. Each level is the code it is classified under.
- M21 Parent Other acquired deformities of limbs
- M21.9 This code Unspecified acquired deformity of limb and hand
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Excludes1
acquired absence of limb ( Z89 .-)
Inherited from M21 — Other acquired deformities of limbs
Excludes1
congenital absence of limbs (Q71-Q73)
Inherited from M21 — Other acquired deformities of limbs
Excludes1
congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)
Inherited from M21 — Other acquired deformities of limbs
More Specific Codes
6 codes under M21.9
- M21.90 Unspecified acquired deformity of unspecified limb Billable
- M21.92 Unspecified acquired deformity of upper arm Has subcodes
- M21.93 Unspecified acquired deformity of forearm Has subcodes
- M21.94 Unspecified acquired deformity of hand Has subcodes
- M21.95 Unspecified acquired deformity of thigh Has subcodes
- M21.96 Unspecified acquired deformity of lower leg Has subcodes
Version History
How M21.9 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentUnspecified acquired deformity of limb and hand
-
FY 2026 Effective
UnchangedUnspecified acquired deformity of limb and hand
Related Codes
Other codes under M21
- M21.0 Valgus deformity, not elsewhere classified
- M21.1 Varus deformity, not elsewhere classified
- M21.2 Flexion deformity
- M21.3 Wrist or foot drop (acquired)
- M21.4 Flat foot [pes planus] (acquired)
- M21.5 Acquired clawhand, clubhand, clawfoot and clubfoot
- M21.6 Other acquired deformities of foot
- M21.7 Unequal limb length (acquired)
- M21.8 Other specified acquired deformities of limbs
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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