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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 M20.5X9
2022 ICD-10-CM Diagnosis Code M20.5X9
Other deformities of toe(s) (acquired), unspecified foot
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code
- M20.5X9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2022 edition of ICD-10-CM M20.5X9 became effective on October 1, 2021.
- This is the American ICD-10-CM version of M20.5X9 - other international versions of ICD-10 M20.5X9 may differ.
The following code(s) above
M20.5X9 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
M20.5X9:
- 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.-)
- Acquired claw toes
- Acquired hallux rigidus
- Acquired mallet toe
- Claw toe, acquired
- Hallux rigidus, acquired
- Mallet toe, acquired
ICD-10-CM M20.5X9 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
- 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 M20.5X9 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
- 2022 (effective 10/1/2021): No change
ICD-10-CM Codes Adjacent To M20.5X9
M20.4 Other hammer toe(s) (acquired)
M20.5 Other deformities of toe(s) (acquired)
M20.5X Other deformities of toe(s) (acquired)
M20.5X9
…… unspecified foot
M20.6 Acquired deformities of toe(s), unspecified
M21 Other acquired deformities of limbs
M21.0 Valgus deformity, not elsewhere classified
M21.02 Valgus deformity, not elsewhere classified, elbow
M21.021 Valgus deformity, not elsewhere classified, right elbow
M21.022 Valgus deformity, not elsewhere classified, left elbow
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
