MCMCB Pro
S48.012A

S48.012AComplete traumatic amputation at left shoulder joint, initial encounter

Billable / specific codeICD-10-CMleft

S48.012A is a billable, specific ICD-10-CM code for complete traumatic amputation at left shoulder joint, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

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

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

S48.012A 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.

Medicare coverage

S48.012A is named in 10 Medicare coverage policies 10 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52438Billing and Coding: Tetanus Immunization
  • A54767Billing and Coding: Medicare Preventive Coverage for Certain Vaccines
  • A56459Billing and Coding: Debridement Services
  • A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography

Related codes at this level

Codes that share S48.012. If S48.012A is not quite right, the correct code is usually one of these.

Questions about S48.012A

Is S48.012A a billable ICD-10-CM code?
Yes. S48.012A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S48.012A sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the shoulder and upper arm (S40-S49).
ICD-10-CMFY2026-Apr· effective April 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.