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ICD-10-CM Codes
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S00-T88
Injury, poisoning and certain other consequences of external causes
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S60-S69
Injuries to the wrist, hand and fingers
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S66-
Injury of muscle, fascia and tendon at wrist and hand level
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2019 ICD-10-CM Diagnosis Code S66.399
Other injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- S66.399 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- Short description: Inj extensor musc/fasc/tend unsp finger at wrs/hnd lv
- The 2019 edition of ICD-10-CM S66.399 became effective on October 1, 2018.
- This is the American ICD-10-CM version of S66.399 - other international versions of ICD-10 S66.399 may differ.
The following code(s) above
S66.399 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
S66.399:
- S00-T88
2019 ICD-10-CM Range S00-T88
Injury, poisoning and certain other consequences of external causesNote- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Use Additional- code to identify any retained foreign body, if applicable (Z18.-)
- S60-S69
2019 ICD-10-CM Range S60-S69
Injuries to the wrist, hand and fingers
- S66
ICD-10-CM Diagnosis Code S66
Injury of muscle, fascia and tendon at wrist and hand level
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Code Also- any associated open wound (S61.-)
Type 2 Excludes- sprain of joints and ligaments of wrist and hand (S63.-)
- S66.3
ICD-10-CM Diagnosis Code S66.3
Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
2016 2017 2018 2019 Non-Billable/Non-Specific Code
Type 2 Excludes- Injury of extensor muscle, fascia and tendon of thumb at wrist and hand level (S66.2-)
- 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
- Injury T14.90 - see also specified injury type
ICD-10-CM Diagnosis Code T14.90
Injury, unspecified
2016 2017 2018 - Deleted Code 2018 - New Code 2019 Non-Billable/Non-Specific Code
- muscle (and fascia) (and tendon)
- finger
- extensor (forearm level) S56.40-
ICD-10-CM Diagnosis Code S56.40-
Unspecified injury of extensor muscle, fascia and tendon of other and unspecified finger at forearm level
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- hand level S66.309
ICD-10-CM Diagnosis Code S66.309
Unspecified injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- specified type NEC S66.399
ICD-10-CM Codes Adjacent To S66.399
S66.397 Other injury of extensor muscle, fascia and tendon of left little finger at wrist and hand level
S66.398 Other injury of extensor muscle, fascia and tendon of other finger at wrist and hand level
S66.399
Other injury of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
S66.4 Injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level
S66.40 Unspecified injury of intrinsic muscle, fascia and tendon of thumb at wrist and hand level
S66.401 Unspecified injury of intrinsic muscle, fascia and tendon of right thumb at wrist and hand level
S66.402 Unspecified injury of intrinsic muscle, fascia and tendon of left thumb at wrist and hand level
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
