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ICD-10-CM Codes
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M00-M99
Diseases of the musculoskeletal system and connective tissue
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M20-M25
Other joint disorders
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M20-
Acquired deformities of fingers and toes
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2021 ICD-10-CM Diagnosis Code M20.001
2021 ICD-10-CM Diagnosis Code M20.001
Unspecified deformity of right finger(s)
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- M20.001 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM M20.001 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M20.001 - other international versions of ICD-10 M20.001 may differ.
The following code(s) above
M20.001 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
M20.001:
- M00-M99
2021 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissueNote- 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)
- M20-M25
2021 ICD-10-CM Range M20-M25
Other joint disorders - M20
ICD-10-CM Diagnosis Code M20
Acquired deformities of fingers and toes
2016 2017 2018 2019 2020 2021 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.-)
- M20.0
ICD-10-CM Diagnosis Code M20.0
Deformity of finger(s)
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Type 1 Excludes- clubbing of fingers (R68.3)
- palmar fascial fibromatosis [Dupuytren] (M72.0)
- trigger finger (M65.3)
- Acquired deformity of bilateral fingers
- Acquired deformity of right finger
ICD-10-CM M20.001 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 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 M20.001 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
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To M20.001
M19.279 Secondary osteoarthritis, unspecified ankle and foot
M19.29 Secondary osteoarthritis, other specified site
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)
M20.019 …… of unspecified finger(s)
M20.029 …… of unspecified finger(s)
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
