2020 ICD-10-CM Diagnosis Code M21.941

Unspecified acquired deformity of hand, right hand

    2016 2017 2018 2019 2020 Billable/Specific Code
  • M21.941 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM M21.941 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of M21.941 - other international versions of ICD-10 M21.941 may differ.
The following code(s) above M21.941 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 M21.941:
  • M00-M99
    2020 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
    2020 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 2019 2020 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
Approximate Synonyms
  • Acquired deformity of bilateral hands
  • Acquired deformity of right hand
  • Deformity of bilateral hands due to rheumatoid arthritis
  • Deformity of right hand due to rheumatoid arthritis
  • Rheumatoid deformity of bilateral hands
  • Rheumatoid deformity of right hand
ICD-10-CM M21.941 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 564 Other musculoskeletal system and connective tissue diagnoses with mcc
  • 565 Other musculoskeletal system and connective tissue diagnoses with cc
  • 566 Other musculoskeletal system and connective tissue diagnoses without cc/mcc

Convert M21.941 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To M21.941
M21.90 Unspecified acquired deformity of unspecified limb
M21.92 Unspecified acquired deformity of upper arm
M21.921 Unspecified acquired deformity of right upper arm
M21.922 Unspecified acquired deformity of left upper arm
M21.929 Unspecified acquired deformity of unspecified upper arm
M21.93 Unspecified acquired deformity of forearm
M21.931 Unspecified acquired deformity of right forearm
M21.932 Unspecified acquired deformity of left forearm
M21.939 Unspecified acquired deformity of unspecified forearm
M21.94 Unspecified acquired deformity of hand
M21.941 …… right hand
M21.942 …… left hand
M21.949 …… unspecified hand
M21.95 Unspecified acquired deformity of thigh
M21.951 Unspecified acquired deformity of right thigh
M21.952 Unspecified acquired deformity of left thigh
M21.959 Unspecified acquired deformity of unspecified thigh
M21.96 Unspecified acquired deformity of lower leg
M21.961 Unspecified acquired deformity of right lower leg
M21.962 Unspecified acquired deformity of left lower leg
M21.969 Unspecified acquired deformity of unspecified lower leg

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