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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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2021 ICD-10-CM Diagnosis Code S66.999D
2021 ICD-10-CM Diagnosis Code S66.999D
Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand, subsequent encounter
2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
- S66.999D is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Inj unsp musc/fasc/tend at wrs/hnd lv, unsp hand, subs
- The 2021 edition of ICD-10-CM S66.999D became effective on October 1, 2020.
- This is the American ICD-10-CM version of S66.999D - other international versions of ICD-10 S66.999D may differ.
The following code(s) above
S66.999D 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
S66.999D:
- S00-T88
2021 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
2021 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 2020 2021 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.-)
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
- S66.999D is considered exempt from POA reporting.
ICD-10-CM S66.999D is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 949 Aftercare with cc/mcc
- 950 Aftercare without cc/mcc
Convert S66.999D 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
ICD-10-CM Codes Adjacent To S66.999D
S66.991 Other injury of unspecified muscle, fascia and tendon at wrist and hand level, right hand
S66.992 Other injury of unspecified muscle, fascia and tendon at wrist and hand level, left hand
S66.999 Other injury of unspecified muscle, fascia and tendon at wrist and hand level, unspecified hand
S66.999D
…… subsequent encounter
S67 Crushing injury of wrist, hand and fingers
S67.0 Crushing injury of thumb
S67.00 Crushing injury of unspecified thumb
S67.01 Crushing injury of right thumb
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
