2026 ICD-10-CM Diagnosis Code S58.122SPartial traumatic amputation at level between elbow and wrist, left arm, sequela

ICD-10-CM Codes›S00–T88›S50-S59›S58

ICD-10-CM S58.122S
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S58.122S is a billable ICD-10-CM diagnosis code for partial traumatic amputation at level between elbow and wrist, left arm, sequela. The 7th character S marks it as a sequela code, which reports a problem that remains after the original condition has resolved. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 559 through 561. The code is exempt from POA reporting. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Injury, sequela.

Code Identity

ICD-10-CM Code
S58.122S
Billable Status
Yes — Valid for Submission
Code Describes
Partial traumatic amputation at level between elbow and wrist, left arm, sequela
Short Description
Part traum amp at level betw elbow and wrist, left arm, sqla
Parent Code
S58.122
Partial traumatic amputation at level between elbow and wrist, left arm

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS50-S59Injuries to the elbow and forearm
CategoryS58Traumatic amputation of elbow and forearm
This CodeS58.122SPartial traumatic amputation at level between elbow and wrist, left arm, sequela

Present on Admission (POA)Billing

S58.122S is exempt from POA reporting on inpatient claims to general acute care hospitals. Review other POA exempt codes.

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Traumatic amputation of elbow and forearm (S58). Use the following options for the applicable episode of care:

  • A - initial encounter
  • D - subsequent encounter
  • S - sequela

Source: ICD-10-CM Official Guidelines for Coding and Reporting, FY 2026, published by CMS and the National Center for Health Statistics.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INJ073
Injury, sequela
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Limb Loss

People can lose all or part of an arm or leg for many reasons. Common ones include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert S58.122S to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
905.9 Late eff traumat amputat
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About S58.122SOverview

Is S58.122S a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report partial traumatic amputation at level between elbow and wrist, left arm, sequela on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What does the 7th character S in S58.122S mean?

The final character S makes this a sequela code: it reports a lingering problem that remains after the partial traumatic amputation at level between elbow and wrist, left arm itself has resolved, not the original event.

What MS-DRG does S58.122S group to?

When partial traumatic amputation at level between elbow and wrist, left arm, sequela is the principal diagnosis on an inpatient stay, it groups to MS-DRG 559, 560, 561, with relative weights from 0.8039 to 1.8649 depending on complications. Higher weights mean higher Medicare reimbursement.

Is S58.122S exempt from POA reporting?

Yes. CMS lists this code among those exempt from present on admission reporting, so hospitals do not assign a POA indicator for partial traumatic amputation at level between elbow and wrist, left arm, sequela on inpatient claims.

What is the ICD-9 equivalent of S58.122S?

Under the General Equivalence Mappings, partial traumatic amputation at level between elbow and wrist, left arm, sequela converts to ICD-9-CM 905.9 (late eff traumat amputat). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.