S66.099S ICD-10-CM Code: Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
S66.099SOther specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where S66.099S sits
- 1
Chapter 19
Injury, poisoning and certain other consequences of external causes (S00-T88)
- 2
Section
Injuries to the wrist, hand and fingers (S60-S69)
- 3
Category S66
Injury of muscle, fascia and tendon at wrist and hand level
- 4
Subcategory S66.099
Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level
- 5
Code S66.099S
Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela
Documentation details
Notes for this code
Inclusion terms
No inclusion terms are listed for S66.099S.
Code first
No “code first” instruction is listed for S66.099S.
Use additional code
No “use additional code” instruction is listed for S66.099S.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for S66.099S.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for S66.099S.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code S66.099S mean?
S66.099S is the FY 2027 U.S. ICD-10-CM code for “Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level, sequela.”
Is S66.099S a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, S66.099S has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is S66.099S located in ICD-10-CM?
S66.099S is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88), within Injuries to the wrist, hand and fingers (S60-S69) (S60–S69), under category S66, Injury of muscle, fascia and tendon at wrist and hand level and subcategory S66.099, Other specified injury of long flexor muscle, fascia and tendon of unspecified thumb at wrist and hand level.
What coding notes are listed for S66.099S?
No inclusion terms are listed for S66.099S in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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