S58.029A Partial traumatic amputation at elbow level, unspecified arm, initial encounter

Billable ICD-10-CM code, FY2026.

Built from S58.029 with 7th character A (initial encounter).

Applies from S58 Traumatic amputation of elbow and forearm

Applicable to

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

Excludes1 (never code together)

• traumatic amputation of wrist and hand (S68.-)

7th character note

• The appropriate 7th character is to be added to each code from category S58

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 S58.029A

Back-references to S58.0

• Type 1 Excludes: S48 Traumatic amputation of shoulder and upper arm ("traumatic amputation at elbow level (S58.0)")

Back-references to S58

• Type 1 Excludes: S51 Open wound of elbow and forearm ("traumatic amputation of elbow and forearm (S58.-)")
• Type 1 Excludes: S52 Fracture of forearm ("traumatic amputation of forearm (S58.-)")

Nearby codes

• S58.022 Partial traumatic amputation at elbow level, left arm
• S58.022A Partial traumatic amputation at elbow level, left arm, initial encounter
• S58.022D Partial traumatic amputation at elbow level, left arm, subsequent encounter
• S58.022S Partial traumatic amputation at elbow level, left arm, sequela
• S58.029 Partial traumatic amputation at elbow level, unspecified arm
• S58.029A Partial traumatic amputation at elbow level, unspecified arm, initial encounter (this code)
• S58.029D Partial traumatic amputation at elbow level, unspecified arm, subsequent encounter
• S58.029S Partial traumatic amputation at elbow level, unspecified arm, sequela
• S58.1 Traumatic amputation at level between elbow and wrist
• S58.11 Complete traumatic amputation at level between elbow and wrist
• S58.111 Complete traumatic amputation at level between elbow and wrist, right arm