MCMedicalCodingSoftware
S58.012A

S58.012A: Complete traumatic amputation at elbow level, left arm, initial encounter

Billable / specific codeICD-10-CMleft

S58.012A is a billable, specific ICD-10-CM code for complete traumatic amputation at elbow level, left arm, initial encounter. It is valid for submission on a claim.

Check S58.012A with the rest of the claim: free scrubber

7th character "A": initial encounter

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

A
initial encounter
D
subsequent encounter
S
sequela

Excludes1 inherited from the categories above S58.012A

A category’s note binds every code beneath it.

Written on S58: Traumatic amputation of elbow and forearm

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

Other codes that can never be billed with S58.012A

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • S51Open wound of elbow and forearm
  • S52Fracture of forearm

Risk adjustment

S58.012A risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 405 Traumatic Amputations and Complications0.598 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

S58.012A is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52438Billing and Coding: Tetanus Immunization
  • A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
  • A56459Billing and Coding: Debridement Services
  • A56900Billing and Coding: Immunizations

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under S58.012

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.