ICD-10-CM › S00-T88 › S80-S89 › S81.051 Open bite, right knee › S81.051A

S81.051A

Open bite, right knee, initial encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 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. FY2007 Added to the draft code set draft Open bite, right knee, initial encounter

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 S81 Open wound of knee and lower leg

Seventh character required

  • The appropriate 7th character is to be added to each code from category S81

Excludes1 - never coded here

  • open fracture of knee and lower leg (S82.-)
  • traumatic amputation of lower leg (S88.-)

Excludes2 - not included here

  • open wound of ankle and foot (S91.-)

Code also

  • any associated wound infection

Inherited from the S80-S89 section Injuries to the knee and lower leg (S80-S89)

Excludes2 - not included here

  • burns and corrosions (T20-T32)
  • frostbite (T33-T34)
  • injuries of ankle and foot, except fracture of ankle and malleolus (S90-S99)
  • 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 53 index phrases.

Codes in the same group

CodeDescriptionStatus
S81.051D Open bite, right knee, subsequent encounter Valid
S81.051S Open bite, right knee, sequela Valid