ICD-10-CM code "M21.86": Other specified acquired deformities of lower leg (2024)

Excludes

1. Diseases of the musculoskeletal system and connective tissue (M00-M99)

   Type 2arthropathic psoriasis (L40.5-)

   Type 2certain conditions originating in the perinatal period (P04-P96)

   Type 2certain infectious and parasitic diseases (A00-B99)

   Type 2compartment syndrome (traumatic) (T79.A-)

   Type 2complications of pregnancy, childbirth and the puerperium (O00-O9A)

   Type 2congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)

   Type 2endocrine, nutritional and metabolic diseases (E00-E88)

   Type 2injury, poisoning and certain other consequences of external causes (S00-T88)

   Type 2neoplasms (C00-D49)

   Type 2symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

2. Other joint disorders (M20-M25)

   Type 2joints of the spine (M40-M54)

3. Other acquired deformities of limbs (M21)

   Type 1acquired absence of limb (Z89.-)

   Type 1congenital absence of limbs (Q71-Q73)

   Type 1congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)

   Type 2acquired deformities of fingers or toes (M20.-)

   Type 2coxa plana (M91.2)

4. Other specified acquired deformities of limbs (M21.8)

   Type 2coxa plana (M91.2)

5. Other specified acquired deformities of lower leg (M21.86)

Includes

1. Diseases of the musculoskeletal system and connective tissue (M00-M99)
2. Other joint disorders (M20-M25)
3. Other acquired deformities of limbs (M21)
4. Other specified acquired deformities of limbs (M21.8)
5. Other specified acquired deformities of lower leg (M21.86)

Subcategories

• Other specified acquired deformities of right lower leg (M21.861)
• Other specified acquired deformities of left lower leg (M21.862)
• Other specified acquired deformities of unspecified lower leg (M21.869)