ICD-10-CM › S00-T88 › S70-S79 › S79.92 Unspecified injury of thigh › S79.921

S79.921

Unspecified injury of right thigh

Not billableICD-10-CM diagnosis code.

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:

  • S79.921A Unspecified injury of right thigh, initial encounter
  • S79.921D Unspecified injury of right thigh, subsequent encounter
  • S79.921S Unspecified injury of right thigh, sequela

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

What has happened to this code

Every change the publisher made, from 2014 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2014 Added to the draft code set draft Unspecified injury of right thigh

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 S79 Other and unspecified injuries of hip and thigh

Seventh character required

  • The appropriate 7th character is to be added to each code from subcategories S79.0 and S79.1

Note

  • A fracture not indicated as open or closed should be coded to closed

Inherited from the S70-S79 section Injuries to the hip and thigh (S70-S79)

Excludes2 - not included here

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • snake bite (T63.0-)
  • venomous insect bite or sting (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.

Codes in the same group

CodeDescriptionStatus
S79.922 Unspecified injury of left thigh Not billable
S79.929 Unspecified injury of unspecified thigh Not billable