2026 ICD-10-CM Diagnosis Code S59Other and unspecified injuries of elbow and forearm

ICD-10-CM Codes›S00–T88›S50-S59›S59

ICD-10-CM S59
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

S59 is a non-billable ICD-10-CM category code for other and unspecified injuries of elbow and forearm, so it cannot be submitted on claims. Use a more specific code from this category instead, such as S59.001A, S59.001D, S59.001G, and S59.001K.

Code Identity

ICD-10-CM Code
S59
Billable Status
No — Non-Billable Category
Code Describes
Other and unspecified injuries of elbow and forearm
Short Description
Other and unspecified injuries of elbow and forearm
Same as the full description in the CMS dataset.
Chapter
S50-S59
Injuries to the elbow and forearm

Code Classification

ChapterS00–T88Injury, poisoning and certain other consequences of external causes
SectionS50-S59Injuries to the elbow and forearm
CategoryS59Other and unspecified injuries of elbow and forearm
This CodeS59Other and unspecified injuries of elbow and forearm

Specific Coding for Other and unspecified injuries of elbow and forearmOverview

Non-specific codes like S59 require more characters. Use one of these billable codes instead:

  • S59.0 for Physeal fracture of lower end of ulna

  • S59.00 for Unspecified physeal fracture of lower end of ulna

  • S59.01 for Salter-Harris Type I physeal fracture of lower end of ulna

  • S59.02 for Salter-Harris Type II physeal fracture of lower end of ulna

  • S59.03 for Salter-Harris Type III physeal fracture of lower end of ulna

  • S59.04 for Salter-Harris Type IV physeal fracture of lower end of ulna

  • S59.09 for Other physeal fracture of lower end of ulna

  • S59.1 for Physeal fracture of upper end of radius

  • S59.10 for Unspecified physeal fracture of upper end of radius

  • S59.11 for Salter-Harris Type I physeal fracture of upper end of radius

  • S59.12 for Salter-Harris Type II physeal fracture of upper end of radius

  • S59.13 for Salter-Harris Type III physeal fracture of upper end of radius

  • S59.14 for Salter-Harris Type IV physeal fracture of upper end of radius

  • S59.19 for Other physeal fracture of upper end of radius

  • S59.2 for Physeal fracture of lower end of radius

  • S59.20 for Unspecified physeal fracture of lower end of radius

  • S59.21 for Salter-Harris Type I physeal fracture of lower end of radius

  • S59.22 for Salter-Harris Type II physeal fracture of lower end of radius

  • S59.23 for Salter-Harris Type III physeal fracture of lower end of radius

  • S59.24 for Salter-Harris Type IV physeal fracture of lower end of radius

  • S59.29 for Other physeal fracture of lower end of radius

  • S59.8 for Other specified injuries of elbow and forearm

  • S59.80 for Other specified injuries of elbow

  • S59.81 for Other specified injuries of forearm

  • S59.9 for Unspecified injury of elbow and forearm

  • S59.90 for Unspecified injury of elbow

  • S59.91 for Unspecified injury of forearm

Coding GuidelinesGuidance

The appropriate 7th character is to be added to each code from block Other and unspecified injuries of elbow and forearm (S59). 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.

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 2 Excludes

  • other and unspecified injuries of wrist and hand S69

7th Character Note

  • The appropriate 7th character is to be added to each code from subcategories S59.0 S59.1 S59.2

7th Character

  • A - initial encounter for closed fracture
  • D - subsequent encounter for fracture with routine healing
  • G - subsequent encounter for fracture with delayed healing
  • K - subsequent encounter for fracture with nonunion
  • P - subsequent encounter for fracture with malunion
  • S - sequela

Patient EducationClinical

Arm Injuries and Disorders

Of the 206 bones in your body, three of them are in your arm: the humerus, radius, and ulna. Your arms are also made up of muscles, joints, tendons, and other connective tissue. Injuries to any of these parts of the arm can occur during sports, a fall, or an accident.

Read the full article at MedlinePlus

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

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 S59Overview

Is S59 (Other and unspecified injuries of elbow and forearm) a billable code?

No. This is a category header that groups the codes for other and unspecified injuries of elbow and forearm, and headers cannot be submitted on claims. Claims for other and unspecified injuries of elbow and forearm need a more specific code from this category, such as S59.001A, S59.001D, and S59.001G.