2021 ICD-10-CM Code H50

Other strabismus

Version 2021

Not Valid for Submission

H50 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of other strabismus. The code is not specific and is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

ICD-10:H50
Short Description:Other strabismus
Long Description:Other strabismus

Code Classification

Specific Coding for Other strabismus

Non-specific codes like H50 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for other strabismus:

  • NON-BILLABLE CODE - H50.0 for Esotropia
  • BILLABLE CODE - Use H50.00 for Unspecified esotropia
  • NON-BILLABLE CODE - H50.01 for Monocular esotropia
  • NON-BILLABLE CODE - H50.02 for Monocular esotropia with A pattern
  • NON-BILLABLE CODE - H50.03 for Monocular esotropia with V pattern
  • NON-BILLABLE CODE - H50.04 for Monocular esotropia with other noncomitancies
  • BILLABLE CODE - Use H50.05 for Alternating esotropia
  • BILLABLE CODE - Use H50.06 for Alternating esotropia with A pattern
  • BILLABLE CODE - Use H50.07 for Alternating esotropia with V pattern
  • BILLABLE CODE - Use H50.08 for Alternating esotropia with other noncomitancies
  • NON-BILLABLE CODE - H50.1 for Exotropia
  • BILLABLE CODE - Use H50.10 for Unspecified exotropia
  • NON-BILLABLE CODE - H50.11 for Monocular exotropia
  • NON-BILLABLE CODE - H50.12 for Monocular exotropia with A pattern
  • NON-BILLABLE CODE - H50.13 for Monocular exotropia with V pattern
  • NON-BILLABLE CODE - H50.14 for Monocular exotropia with other noncomitancies
  • BILLABLE CODE - Use H50.15 for Alternating exotropia
  • BILLABLE CODE - Use H50.16 for Alternating exotropia with A pattern
  • BILLABLE CODE - Use H50.17 for Alternating exotropia with V pattern
  • BILLABLE CODE - Use H50.18 for Alternating exotropia with other noncomitancies
  • NON-BILLABLE CODE - H50.2 for Vertical strabismus
  • BILLABLE CODE - Use H50.21 for Vertical strabismus, right eye
  • BILLABLE CODE - Use H50.22 for Vertical strabismus, left eye
  • NON-BILLABLE CODE - H50.3 for Intermittent heterotropia
  • BILLABLE CODE - Use H50.30 for Unspecified intermittent heterotropia
  • NON-BILLABLE CODE - H50.31 for Intermittent monocular esotropia
  • BILLABLE CODE - Use H50.32 for Intermittent alternating esotropia
  • NON-BILLABLE CODE - H50.33 for Intermittent monocular exotropia
  • BILLABLE CODE - Use H50.34 for Intermittent alternating exotropia
  • NON-BILLABLE CODE - H50.4 for Other and unspecified heterotropia
  • BILLABLE CODE - Use H50.40 for Unspecified heterotropia
  • NON-BILLABLE CODE - H50.41 for Cyclotropia
  • BILLABLE CODE - Use H50.42 for Monofixation syndrome
  • BILLABLE CODE - Use H50.43 for Accommodative component in esotropia
  • NON-BILLABLE CODE - H50.5 for Heterophoria
  • BILLABLE CODE - Use H50.50 for Unspecified heterophoria
  • BILLABLE CODE - Use H50.51 for Esophoria
  • BILLABLE CODE - Use H50.52 for Exophoria
  • BILLABLE CODE - Use H50.53 for Vertical heterophoria
  • BILLABLE CODE - Use H50.54 for Cyclophoria
  • BILLABLE CODE - Use H50.55 for Alternating heterophoria
  • NON-BILLABLE CODE - H50.6 for Mechanical strabismus
  • BILLABLE CODE - Use H50.60 for Mechanical strabismus, unspecified
  • NON-BILLABLE CODE - H50.61 for Brown's sheath syndrome
  • BILLABLE CODE - Use H50.69 for Other mechanical strabismus
  • NON-BILLABLE CODE - H50.8 for Other specified strabismus
  • NON-BILLABLE CODE - H50.81 for Duane's syndrome
  • BILLABLE CODE - Use H50.89 for Other specified strabismus
  • BILLABLE CODE - Use H50.9 for Unspecified strabismus

Clinical Information

Information for Patients


Eye Movement Disorders

When you look at an object, you're using several muscles to move both eyes to focus on it. If you have a problem with the muscles, the eyes don't work properly.

There are many kinds of eye movement disorders. Two common ones are

Some eye movement disorders are present at birth. Others develop over time and may be associated with other problems, such as injuries. Treatments include glasses, patches, eye muscle exercises, and surgery. There is no cure for some kinds of eye movement disorders, such as most kinds of nystagmus.


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)