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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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M21-
Other acquired deformities of limbs
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2021 ICD-10-CM Diagnosis Code M21.83
2021 ICD-10-CM Diagnosis Code M21.83
Other specified acquired deformities of forearm
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- M21.83 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2021 edition of ICD-10-CM M21.83 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M21.83 - other international versions of ICD-10 M21.83 may differ.
The following code(s) above
M21.83 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
M21.83:
- 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 - M21
ICD-10-CM Diagnosis Code M21
Other acquired deformities of limbs
2016 2017 2018 2019 2020 2021 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)
- M21.8
ICD-10-CM Diagnosis Code M21.8
Other specified acquired deformities of limbs
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- 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
- Deformity Q89.9
ICD-10-CM Diagnosis Code Q89.9
Congenital malformation, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
Applicable To- Congenital anomaly NOS
- Congenital deformity NOS
- limb (acquired) M21.90
ICD-10-CM Diagnosis Code M21.90
Unspecified acquired deformity of unspecified limb
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- specified type NEC M21.80
ICD-10-CM Diagnosis Code M21.80
Other specified acquired deformities of unspecified limb
2016 2017 2018 2019 2020 2021 Billable/Specific Code
ICD-10-CM Codes Adjacent To M21.83
M21.762 Unequal limb length (acquired), left tibia
M21.763 Unequal limb length (acquired), right fibula
M21.764 Unequal limb length (acquired), left fibula
M21.769 Unequal limb length (acquired), unspecified tibia and fibula
M21.8 Other specified acquired deformities of limbs
M21.80 Other specified acquired deformities of unspecified limb
M21.82 Other specified acquired deformities of upper arm
M21.821 Other specified acquired deformities of right upper arm
M21.822 Other specified acquired deformities of left upper arm
M21.829 Other specified acquired deformities of unspecified upper arm
M21.83
Other specified acquired deformities of forearm
M21.831 Other specified acquired deformities of right forearm
M21.832 Other specified acquired deformities of left forearm
M21.839 Other specified acquired deformities of unspecified forearm
M21.85 Other specified acquired deformities of thigh
M21.851 Other specified acquired deformities of right thigh
M21.852 Other specified acquired deformities of left thigh
M21.859 Other specified acquired deformities of unspecified thigh
M21.86 Other specified acquired deformities of lower leg
M21.861 Other specified acquired deformities of right lower leg
M21.862 Other specified acquired deformities of left lower leg
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
