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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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M66-
Spontaneous rupture of synovium and tendon
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2021 ICD-10-CM Diagnosis Code M66.2
2021 ICD-10-CM Diagnosis Code M66.2
Spontaneous rupture of extensor tendons
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- M66.2 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 M66.2 became effective on October 1, 2020.
- This is the American ICD-10-CM version of M66.2 - other international versions of ICD-10 M66.2 may differ.
The following code(s) above
M66.2 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
M66.2:
- 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 M66.2
M66.171 Rupture of synovium, right ankle
M66.172 Rupture of synovium, left ankle
M66.173 Rupture of synovium, unspecified ankle
M66.174 Rupture of synovium, right foot
M66.175 Rupture of synovium, left foot
M66.176 Rupture of synovium, unspecified foot
M66.177 Rupture of synovium, right toe(s)
M66.178 Rupture of synovium, left toe(s)
M66.179 Rupture of synovium, unspecified toe(s)
M66.2
Spontaneous rupture of extensor tendons
M66.21 Spontaneous rupture of extensor tendons, shoulder
M66.211 Spontaneous rupture of extensor tendons, right shoulder
M66.212 Spontaneous rupture of extensor tendons, left shoulder
M66.219 Spontaneous rupture of extensor tendons, unspecified shoulder
M66.22 Spontaneous rupture of extensor tendons, upper arm
M66.221 Spontaneous rupture of extensor tendons, right upper arm
M66.222 Spontaneous rupture of extensor tendons, left upper arm
M66.229 Spontaneous rupture of extensor tendons, unspecified upper arm
M66.23 Spontaneous rupture of extensor tendons, forearm
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
