2018 ICD-10-CM Diagnosis Code M21.80

Other specified acquired deformities of unspecified limb

The following code(s) above M21.80 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to M21.80:
  • M00-M99
    2018 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • 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)
    Diseases of the musculoskeletal system and connective tissue
  • M20-M25
    2018 ICD-10-CM Range M20-M25

    Other joint disorders

    Type 2 Excludes
    Other joint disorders
  • M21
    ICD-10-CM Diagnosis Code M21

    Other acquired deformities of limbs

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • acquired absence of limb (Z89.-)
    • congenital absence of limbs (Q71-Q73)
    • congenital deformities and malformations of limbs (Q65-Q66, Q68-Q74)
    Type 2 Excludes
    • acquired deformities of fingers or toes (M20.-)
    • coxa plana (M91.2)
    Other acquired deformities of limbs
  • M21.8
    ICD-10-CM Diagnosis Code M21.8

    Other specified acquired deformities of limbs

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 2 Excludes
    Other specified acquired deformities of limbs
Approximate Synonyms ICD-10-CM M21.80 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert M21.80 to ICD-9-CM

Code History

Diagnosis Index entries containing back-references to M21.80:

ICD-10-CM Codes Adjacent To M21.80
M21.751 Unequal limb length (acquired), right femur
M21.752 Unequal limb length (acquired), left femur
M21.759 Unequal limb length (acquired), unspecified femur
M21.76 Unequal limb length (acquired), tibia and fibula
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
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
M21.83 Other specified acquired deformities of forearm
M21.831 Other specified acquired deformities of right forearm
M21.832 Other specified acquired deformities of left forearm
M21.839 Other specified acquired deformities of unspecified forearm
M21.85 Other specified acquired deformities of thigh
M21.851 Other specified acquired deformities of right thigh

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.