S58.9 – Traumatic amputation of forearm, level unspecified

ICD-10-CM 2027 diagnosis code · Injuries to the elbow and forearm

Non-billable header

ICD-10-CM code S58.9

Code: S58.9 (claims format: S589)
Description: Traumatic amputation of forearm, level unspecified
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: S50-S59 Injuries to the elbow and forearm
Parent codes: S58

Billable codes under S58.9

S58.9 is a header code and cannot be used on claims. Choose the most specific code:

S58.91 – Complete traumatic amputation of forearm, level unspecifiedHeader (more codes below)
S58.92 – Partial traumatic amputation of forearm, level unspecifiedHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes for S58.9

Excludes1 (not coded here):

traumatic amputation of wrist (S68.-)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

S58 – Traumatic amputation of elbow and forearm

Applicable to:

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

Excludes1 (not coded here):

traumatic amputation of wrist and hand (S68.-)

7th character note:

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

Block S50-S59

Excludes2 (not included here):

burns and corrosions (T20-T32)
frostbite (T33-T34)
injuries of wrist and hand (S60-S69)
insect bite or sting, venomous (T63.4)

Related codes in S58

Frequently asked questions

What is ICD-10 code S58.9?

S58.9 is the ICD-10-CM code for traumatic amputation of forearm, level unspecified, in the block S50-S59 (Injuries to the elbow and forearm).

Is S58.9 a billable code?

No. S58.9 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S58.9 belong to?

It belongs to category S58 – Traumatic amputation of elbow and forearm.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.