S58.921A: Partial traumatic amputation of right forearm, level unspecified, initial encounter
S58.921A is a billable, specific ICD-10-CM code for partial traumatic amputation of right forearm, level unspecified, initial encounter. It is valid for submission on a claim.
Check S58.921A with the rest of the claim: free scrubber7th 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
Other codes that can never be billed with S58.921A
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
S58.921A 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
S58.921A is named in 4 Medicare coverage policies: 4 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
- A57056Billing and Coding: Aortography and Peripheral Angiography
- A57554Billing and Coding: Immune Globulins
Code history
Unchanged in every release from FY2024 to FY2027.