M21
Other acquired deformities of limbs
Choose the additional character
M21 needs more characters to be billable. Pick the specific code below.
- M21.0Valgus deformity, not elsewhere classifiedMore levels
- M21.1Varus deformity, not elsewhere classifiedMore levels
- M21.2Flexion deformityMore levels
- M21.3Wrist or foot drop (acquired)More levels
- M21.4Flat foot [pes planus] (acquired)More levels
- M21.5Acquired clawhand, clubhand, clawfoot and clubfootMore levels
- M21.6Other acquired deformities of footMore levels
- M21.7Unequal limb length (acquired)More levels
- M21.8Other specified acquired deformities of limbsMore levels
- M21.9Unspecified acquired deformity of limb and handMore levels
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
joints of the spine (M40-M54)
arthropathic psoriasis (L40.5-) certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) compartment syndrome (traumatic) (T79.A-) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition (M00-M25) Arthropathies (M00-M25) Includes: Disorders affecting predominantly peripheral (limb) joints (M40-M54) Dorsopathies (M40-M54) (M60-M79) Soft tissue disorders (M60-M79) (M80-M94) Osteopathies and chondropathies (M80-M94)