S48.929A Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S48.929 with 7th character A (initial encounter).

Applies from S48 Traumatic amputation of shoulder and upper arm

Applicable to

• An amputation not identified as partial or complete should be coded to complete

Excludes1 (never code together)

• traumatic amputation at elbow level (S58.0)

7th character note

• The appropriate 7th character is to be added to each code from category S48

7th character required

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

Risk adjustment (HCC)

• CMS-HCC V28: HCC 405 — Traumatic Amputations and Complications
• CMS-HCC V22: HCC 173 — Traumatic Amputations and Complications
• ESRD V24: HCC 173

Medicare Code Edits (MCE v43.1 (April 2026))

• Unspecified code (laterality): Unspecified codes for which a more specific code identifying laterality (right, left, bilateral) exists within the same code family.

Code annotations containing back-references to S48.929A

Back-references to S48

• Type 1 Excludes: S41 Open wound of shoulder and upper arm ("traumatic amputation of shoulder and upper arm (S48.-)")
• Type 1 Excludes: S42 Fracture of shoulder and upper arm ("traumatic amputation of shoulder and upper arm (S48.-)")

Nearby codes

• S48.922 Partial traumatic amputation of left shoulder and upper arm, level unspecified
• S48.922A Partial traumatic amputation of left shoulder and upper arm, level unspecified, initial encounter
• S48.922D Partial traumatic amputation of left shoulder and upper arm, level unspecified, subsequent encounter
• S48.922S Partial traumatic amputation of left shoulder and upper arm, level unspecified, sequela
• S48.929 Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified
• S48.929A Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified, initial encounter (this code)
• S48.929D Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified, subsequent encounter
• S48.929S Partial traumatic amputation of unspecified shoulder and upper arm, level unspecified, sequela