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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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2022 ICD-10-CM Diagnosis Code M20.03
2022 ICD-10-CM Diagnosis Code M20.03
Swan-neck deformity
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
- M20.03 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2022 edition of ICD-10-CM M20.03 became effective on October 1, 2021.
- This is the American ICD-10-CM version of M20.03 - other international versions of ICD-10 M20.03 may differ.
The following code(s) above
M20.03 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
M20.03:
- M00-M99
2022 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
2022 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 2022 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 2022 Non-Billable/Non-Specific Code
Type 1 Excludes- clubbing of fingers (R68.3)
- palmar fascial fibromatosis [Dupuytren] (M72.0)
- trigger finger (M65.3)
- 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
- 2022 (effective 10/1/2021): No change
- Deformity Q89.9
ICD-10-CM Diagnosis Code Q89.9
Congenital malformation, unspecified
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code POA Exempt
Applicable To- Congenital anomaly NOS
- Congenital deformity NOS
- finger (acquired) M20.00-
ICD-10-CM Diagnosis Code M20.00-
Unspecified deformity of finger(s)
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
ICD-10-CM Codes Adjacent To M20.03
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)
M20.03
Swan-neck deformity
M20.039 …… of unspecified finger(s)
M20.09 Other deformity of finger(s)
M20.091 Other deformity of right finger(s)
M20.092 Other deformity of left finger(s)
M20.1 Hallux valgus (acquired)
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
