All ICD10 Codes

S66.1

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand level

Use a more specific code (0 billable, 4 non-billable)
S66.10Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelhas subcodesS66.11Strain of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelhas subcodesS66.12Laceration of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelhas subcodesS66.19Other injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • Injury of long flexor muscle, fascia and tendon of thumb at wrist and hand level (S66.0-)
General instructions are available for the parent sections:
View CH19 NotesView S60-S69 NotesView S66 Notes

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
S60-S69Injuries to the wrist, hand and fingers (S60-S69)
S66Injury of muscle, fascia and tendon at wrist and hand level
S66.1Injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelNot billable
S66.10Unspecified injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelSubcodes
S66.11Strain of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelSubcodes
S66.12Laceration of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelSubcodes
S66.19Other injury of flexor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S66.1:

categoryS66
Injury of muscle, fascia and tendon at wrist and hand level
View context instructions
blockS60-S69
Injuries to the wrist, hand and fingers (S60-S69)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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