ICD-10-CM › H00-H59 › H49-H52 › H50 Other strabismus › H50.6

H50.6

Mechanical strabismus

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 10 more specific codes instead:

  • H50.60 Mechanical strabismus, unspecified
  • H50.61 Brown's sheath syndrome (also a header)
  • H50.62 Inferior oblique muscle entrapment (also a header)
  • H50.63 Inferior rectus muscle entrapment (also a header)
  • H50.64 Lateral rectus muscle entrapment (also a header)
  • H50.65 Medial rectus muscle entrapment (also a header)
  • H50.66 Superior oblique muscle entrapment (also a header)
  • H50.67 Superior rectus muscle entrapment (also a header)
  • H50.68 Extraocular muscle entrapment, unspecified (also a header)
  • H50.69 Other mechanical strabismus

What has happened to this code

Every change the publisher made, from 2012 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. FY2012 Added to the draft code set draft Mechanical strabismus

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 the H49-H52 section Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)

Excludes2 - not included here

  • nystagmus and other irregular eye movements (H55)

Codes in the same group

CodeDescriptionStatus
H50.0 Esotropia Not billable
H50.1 Exotropia Not billable
H50.2 Vertical strabismus Not billable
H50.3 Intermittent heterotropia Not billable
H50.4 Other and unspecified heterotropia Not billable
H50.5 Heterophoria Not billable
H50.8 Other specified strabismus Not billable
H50.9 Unspecified strabismus Valid