2018 ICD-10-CM Diagnosis Code M20.0

Deformity of finger(s)

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M20.0. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • clubbing of fingers (
    ICD-10-CM Diagnosis Code R68.3

    Clubbing of fingers

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Clubbing of nails
    Type 1 Excludes
    • congenital clubfinger (Q68.1)
    R68.3
    )
  • palmar fascial fibromatosis [Dupuytren] (
    ICD-10-CM Diagnosis Code M72.0

    Palmar fascial fibromatosis [Dupuytren]

      2016 2017 2018 Billable/Specific Code Adult Dx (15-124 years)
    M72.0
    )
  • trigger finger (
    ICD-10-CM Diagnosis Code M65.3

    Trigger finger

      2016 2017 2018 Non-Billable/Non-Specific Code
    Applicable To
    • Nodular tendinous disease
    M65.3
    )
The following code(s) above M20.0 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 M20.0:
  • 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
  • M20
    ICD-10-CM Diagnosis Code M20

    Acquired deformities of fingers and toes

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • acquired absence of fingers and toes (Z89.-)
    • congenital absence of fingers and toes (Q71.3-, Q72.3-)
    • congenital deformities and malformations of fingers and toes (Q66.-, Q68-Q70, Q74.-)
    Acquired deformities of fingers and toes
Code History
ICD-10-CM Codes Adjacent To M20.0
M19.27 Secondary osteoarthritis, ankle and foot
M19.271 Secondary osteoarthritis, right ankle and foot
M19.272 Secondary osteoarthritis, left ankle and foot
M19.279 Secondary osteoarthritis, unspecified ankle and foot
M19.9 Osteoarthritis, unspecified site
M19.90 Unspecified osteoarthritis, unspecified site
M19.91 Primary osteoarthritis, unspecified site
M19.92 Post-traumatic osteoarthritis, unspecified site
M19.93 Secondary osteoarthritis, unspecified site
M20 Acquired deformities of fingers and toes
M20.0 Deformity of finger(s)
M20.00 Unspecified deformity of finger(s)
M20.001 Unspecified deformity of right finger(s)
M20.002 Unspecified deformity of left finger(s)
M20.009 Unspecified deformity of unspecified finger(s)
M20.01 Mallet finger
M20.011 …… of right finger(s)
M20.012 …… of left finger(s)
M20.019 …… of unspecified finger(s)
M20.02 Boutonnière deformity
M20.021 …… of right finger(s)

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