`M21.8` Other specified acquired deformities of limbs

Non-billable header with 5 child codes.

Excludes2 (not included here)

coxa plana (M91.2)

Applies from M21 Other acquired deformities of limbs

Excludes1 (never code together)

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)

Codes under M21.8

M21.80 Other specified acquired deformities of unspecified limb
M21.82 Other specified acquired deformities of upper arm
M21.83 Other specified acquired deformities of forearm
M21.85 Other specified acquired deformities of thigh
M21.86 Other specified acquired deformities of lower leg

Code annotations containing back-references to M21.8

Back-references to M21

Type 1 Excludes: M23 Internal derangement of knee ("deformity of knee (M21.-)")
Type 2 Excludes: M24.5 Contracture of joint ("acquired deformities of limbs (M20-M21)")
Type 2 Excludes: M25 Other joint disorder, not elsewhere classified ("acquired deformities of limb (M20-M21)")
Type 2 Excludes: M95 Other acquired deformities of musculoskeletal system and connective tissue ("acquired deformities of limbs (M20-M21)")
Type 1 Excludes: Z89 Acquired absence of limb ("acquired deformities of limbs (M20-M21)")

Nearby codes

M21.761 Unequal limb length (acquired), right tibia
M21.762 Unequal limb length (acquired), left tibia
M21.763 Unequal limb length (acquired), right fibula
M21.764 Unequal limb length (acquired), left fibula
M21.769 Unequal limb length (acquired), unspecified tibia and fibula
M21.8 Other specified acquired deformities of limbs (this code)
M21.80 Other specified acquired deformities of unspecified limb
M21.82 Other specified acquired deformities of upper arm
M21.821 Other specified acquired deformities of right upper arm
M21.822 Other specified acquired deformities of left upper arm
M21.829 Other specified acquired deformities of unspecified upper arm