ICD-10-CM › S00-T88 › S50-S59 › S59.9 Unspecified injury of elbow and forearm › S59.91

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2016 onwards. It has never been valid for submission on its own.

Submit one of these 3 more specific codes instead:

• S59.911 Unspecified injury of right forearm (also a header)
• S59.912 Unspecified injury of left forearm (also a header)
• S59.919 Unspecified injury of unspecified forearm (also a header)

This code requires a seventh character. See the rule below.

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from S59 Other and unspecified injuries of elbow and forearm

Seventh character required

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

Excludes2 - not included here

• other and unspecified injuries of wrist and hand (S69.-)

Inherited from the S50-S59 section Injuries to the elbow and forearm (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)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Injury > arm > lower
• Injury > forearm

Codes in the same group

Code	Description	Status
S59.90	Unspecified injury of elbow	Not billable