M21.27

Flexion deformity, ankle and toes

Non-billable header

M21.27 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Includes (from M21)

  • Note: Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Excludes1

Not coded here — never report together with this code.

  • acquired absence of limb (Z89.-) (from M21)
  • congenital absence of limbs (Q71-Q73) (from M21)
  • congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74) (from M21)

Excludes2

Not included here — may be reported together when both conditions exist.

  • arthropathic psoriasis (L40.5-) (from M21)
  • certain conditions originating in the perinatal period (P04-P96) (from M21)
  • certain infectious and parasitic diseases (A00-B99) (from M21)
  • compartment syndrome (traumatic) (T79.A-) (from M21)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from M21)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from M21)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from M21)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from M21)
  • neoplasms (C00-D49) (from M21)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from M21)
  • joints of the spine (M40-M54) (from M21)
  • acquired deformities of fingers or toes (M20.-) (from M21)
  • coxa plana (M91.2) (from M21)

Also known as

  • Deformity, limb, flexion, ankle
  • Deformity, limb, flexion, toe

Parent code

  • M21.2Flexion deformityHeader

More specific codes M21.27

  • M21.271Flexion deformity, right ankle and toesBillable
  • M21.272Flexion deformity, left ankle and toesBillable
  • M21.279Flexion deformity, unspecified ankle and toesBillable

Related codes

  • M21.20Flexion deformity, unspecified siteBillable
  • M21.21Flexion deformity, shoulderHeader
  • M21.22Flexion deformity, elbowHeader
  • M21.23Flexion deformity, wristHeader
  • M21.24Flexion deformity, finger jointsHeader
  • M21.25Flexion deformity, hipHeader
  • M21.26Flexion deformity, kneeHeader

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