ICD-10-CM › S00-T88 › S90-S99 › S91.35 Open bite of foot › S91.351

S91.351

Open bite, right foot

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:

  • S91.351A Open bite, right foot, initial encounter
  • S91.351D Open bite, right foot, subsequent encounter
  • S91.351S Open bite, right foot, 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 Open bite, right foot

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 S91 Open wound of ankle, foot and toes

Seventh character required

  • The appropriate 7th character is to be added to each code from category S91

Excludes1 - never coded here

  • open fracture of ankle, foot and toes (S92.-with 7th character B)
  • traumatic amputation of ankle and foot (S98.-)

Code also

  • any associated wound infection

Inherited from the S90-S99 section Injuries to the ankle and foot (S90-S99)

Excludes2 - not included here

  • burns and corrosions (T20-T32)
  • fracture of ankle and malleolus (S82.-)
  • frostbite (T33-T34)
  • 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.

Showing 40 of 58 index phrases.

Codes in the same group

CodeDescriptionStatus
S91.352 Open bite, left foot Not billable
S91.359 Open bite, unspecified foot Not billable