ICD-10-CM › S00-T88 › S90-S99 › S93.0 Subluxation and dislocation of ankle joint › S93.03

S93.03

Subluxation of unspecified ankle joint

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:

  • S93.03XA Subluxation of unspecified ankle joint, initial encounter
  • S93.03XD Subluxation of unspecified ankle joint, subsequent encounter
  • S93.03XS Subluxation of unspecified ankle joint, 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 Subluxation of unspecified ankle joint

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 S93 Dislocation and sprain of joints and ligaments at ankle, foot and toe level

Seventh character required

  • The appropriate 7th character is to be added to each code from category S93

Excludes2 - not included here

  • strain of muscle and tendon of ankle and foot (S96.-)

Code also

  • any associated open wound

Includes

  • avulsion of joint or ligament of ankle, foot and toe
  • laceration of cartilage, joint or ligament of ankle, foot and toe
  • sprain of cartilage, joint or ligament of ankle, foot and toe
  • traumatic hemarthrosis of joint or ligament of ankle, foot and toe
  • traumatic rupture of joint or ligament of ankle, foot and toe
  • traumatic subluxation of joint or ligament of ankle, foot and toe
  • traumatic tear of joint or ligament of ankle, foot and toe

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.

Codes in the same group

CodeDescriptionStatus
S93.01 Subluxation of right ankle joint Not billable
S93.02 Subluxation of left ankle joint Not billable
S93.04 Dislocation of right ankle joint Not billable
S93.05 Dislocation of left ankle joint Not billable
S93.06 Dislocation of unspecified ankle joint Not billable