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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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M65-M67
Disorders of synovium and tendon
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M65-
Synovitis and tenosynovitis
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2021 ICD-10-CM Diagnosis Code M65.0
2021 ICD-10-CM Diagnosis Code M65.0
Abscess of tendon sheath
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- M65.0 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 M65.0 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M65.0 - other international versions of ICD-10 M65.0 may differ.
Use AdditionalUse Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
The following code(s) above
M65.0 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
M65.0:
- 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 M65.0
M63.861 Disorders of muscle in diseases classified elsewhere, right lower leg
M63.862 Disorders of muscle in diseases classified elsewhere, left lower leg
M63.869 Disorders of muscle in diseases classified elsewhere, unspecified lower leg
M63.87 Disorders of muscle in diseases classified elsewhere, ankle and foot
M63.871 Disorders of muscle in diseases classified elsewhere, right ankle and foot
M63.872 Disorders of muscle in diseases classified elsewhere, left ankle and foot
M63.879 Disorders of muscle in diseases classified elsewhere, unspecified ankle and foot
M65 Synovitis and tenosynovitis
M65.0
Abscess of tendon sheath
M65.01 Abscess of tendon sheath, shoulder
M65.011 Abscess of tendon sheath, right shoulder
M65.012 Abscess of tendon sheath, left shoulder
M65.019 Abscess of tendon sheath, unspecified shoulder
M65.02 Abscess of tendon sheath, upper arm
M65.021 Abscess of tendon sheath, right upper arm
M65.022 Abscess of tendon sheath, left upper arm
M65.029 Abscess of tendon sheath, unspecified upper arm
M65.03 Abscess of tendon sheath, forearm
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
