All ICD10 Codes

S66.31

Non-Billable
ChapterS00–T88
Ranksubcategory
Official Description

Strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level

Use a more specific code (10 billable)
S66.310Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand levelS66.311Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand levelS66.312Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand levelS66.313Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand levelS66.314Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand levelS66.315Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand levelS66.316Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand levelS66.317Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand levelS66.318Strain of extensor muscle, fascia and tendon of other finger at wrist and hand levelS66.319Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand level
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).
General instructions are available for the parent sections:
View CH19 NotesView S60-S69 NotesView S66 NotesView S66.3 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
S66.3Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
S66.31Strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand levelNot billable
S66.310Strain of extensor muscle, fascia and tendon of right index finger at wrist and hand levelBillable
S66.311Strain of extensor muscle, fascia and tendon of left index finger at wrist and hand levelBillable
S66.312Strain of extensor muscle, fascia and tendon of right middle finger at wrist and hand levelBillable
S66.313Strain of extensor muscle, fascia and tendon of left middle finger at wrist and hand levelBillable
S66.314Strain of extensor muscle, fascia and tendon of right ring finger at wrist and hand levelBillable
S66.315Strain of extensor muscle, fascia and tendon of left ring finger at wrist and hand levelBillable
S66.316Strain of extensor muscle, fascia and tendon of right little finger at wrist and hand levelBillable
S66.317Strain of extensor muscle, fascia and tendon of left little finger at wrist and hand levelBillable
S66.318Strain of extensor muscle, fascia and tendon of other finger at wrist and hand levelBillable
S66.319Strain of extensor muscle, fascia and tendon of unspecified finger at wrist and hand levelBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to S66.31:

subcategoryS66.3
Injury of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level
View context instructions
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

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Strain of extensor muscle, fascia and tendon of other and unspecified finger at wrist and hand level.

Search PCS Codes