S46.012A Strain of muscle(s) and tendon(s) of the rotator cuff of left shoulder, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S46.012 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 S46.012A

Back-references to S46.01

• Type 1 Excludes: M75.1 Rotator cuff tear or rupture, not specified as traumatic ("tear of rotator cuff, traumatic (S46.01-)")

Back-references to S46.0

• Type 2 Excludes: S43.42 Sprain of rotator cuff capsule ("injury of tendon of rotator cuff (S46.0-)")

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

• S46.011 Strain of muscle(s) and tendon(s) of the rotator cuff of right shoulder
• S46.011A Strain of muscle(s) and tendon(s) of the rotator cuff of right shoulder, initial encounter
• S46.011D Strain of muscle(s) and tendon(s) of the rotator cuff of right shoulder, subsequent encounter
• S46.011S Strain of muscle(s) and tendon(s) of the rotator cuff of right shoulder, sequela
• S46.012 Strain of muscle(s) and tendon(s) of the rotator cuff of left shoulder
• S46.012A Strain of muscle(s) and tendon(s) of the rotator cuff of left shoulder, initial encounter (this code)
• S46.012D Strain of muscle(s) and tendon(s) of the rotator cuff of left shoulder, subsequent encounter
• S46.012S Strain of muscle(s) and tendon(s) of the rotator cuff of left shoulder, sequela
• S46.019 Strain of muscle(s) and tendon(s) of the rotator cuff of unspecified shoulder
• S46.019A Strain of muscle(s) and tendon(s) of the rotator cuff of unspecified shoulder, initial encounter
• S46.019D Strain of muscle(s) and tendon(s) of the rotator cuff of unspecified shoulder, subsequent encounter