2021 ICD-10-CM Code H50.4

Other and unspecified heterotropia

Version 2021

Not Valid for Submission

H50.4 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 and unspecified heterotropia. 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.

Unspecified diagnosis codes like H50.4 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:H50.4
Short Description:Other and unspecified heterotropia
Long Description:Other and unspecified heterotropia

Code Classification

Specific Coding for Other and unspecified heterotropia

Non-specific codes like H50.4 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 and unspecified heterotropia:

  • BILLABLE CODE - Use H50.40 for Unspecified heterotropia
  • NON-BILLABLE CODE - H50.41 for Cyclotropia
  • BILLABLE CODE - Use H50.411 for Cyclotropia, right eye
  • BILLABLE CODE - Use H50.412 for Cyclotropia, left eye
  • BILLABLE CODE - Use H50.42 for Monofixation syndrome
  • BILLABLE CODE - Use H50.43 for Accommodative component in esotropia

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)