S46.301A Unspecified injury of muscle, fascia and tendon of triceps, right arm, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S46.301 with 7th character A (initial encounter).

Applies from S46 Injury of muscle, fascia and tendon at shoulder and upper arm level

Excludes2 (not included here)

• injury of muscle, fascia and tendon at elbow (S56.-)
• sprain of joints and ligaments of shoulder girdle (S43.9)

Code also

• any associated open wound (S41.-)

7th character note

• The appropriate 7th character is to be added to each code from category S46

7th character required

• A — initial encounter
• D — subsequent encounter
• S — sequela

Code annotations containing back-references to S46.301A

Back-references to S46

• Type 2 Excludes: S43 Dislocation and sprain of joints and ligaments of shoulder girdle ("strain of muscle, fascia and tendon of shoulder and upper arm (S46.-)")

Nearby codes

• S46.299D Other injury of muscle, fascia and tendon of other parts of biceps, unspecified arm, subsequent encounter
• S46.299S Other injury of muscle, fascia and tendon of other parts of biceps, unspecified arm, sequela
• S46.3 Injury of muscle, fascia and tendon of triceps
• S46.30 Unspecified injury of muscle, fascia and tendon of triceps
• S46.301 Unspecified injury of muscle, fascia and tendon of triceps, right arm
• S46.301A Unspecified injury of muscle, fascia and tendon of triceps, right arm, initial encounter (this code)
• S46.301D Unspecified injury of muscle, fascia and tendon of triceps, right arm, subsequent encounter
• S46.301S Unspecified injury of muscle, fascia and tendon of triceps, right arm, sequela
• S46.302 Unspecified injury of muscle, fascia and tendon of triceps, left arm
• S46.302A Unspecified injury of muscle, fascia and tendon of triceps, left arm, initial encounter
• S46.302D Unspecified injury of muscle, fascia and tendon of triceps, left arm, subsequent encounter