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ICD-10-CM 2027 diagnosis code

H50.0Esotropia

Not billable — use a more specific code

H50.0 is a header code, so it can't be reported by itself. Choose one of the 9 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About H50.0

H50.0 is the ICD-10-CM diagnosis code for esotropia. It belongs to category H50 (other strabismus), block H49-H52 (disorders of ocular muscles, binocular movement, accommodation and refraction) and chapter 7 (diseases of the eye and adnexa). It is a header code, so it can't be reported by itself; one of its 9 subcodes must be used instead.

Within H50 (other strabismus), H50.0 is specifically for esotropia. Related codes cover exotropia (H50.1), vertical strabismus (H50.2), intermittent heterotropia (H50.3), other and unspecified heterotropia (H50.4), heterophoria (H50.5), mechanical strabismus (H50.6), other specified strabismus (H50.8) and unspecified strabismus (H50.9).

To report this condition, pick the subcode that matches the documentation: H50.00 (esotropia), H50.01 (esotropia), H50.02 (pattern), H50.03 (pattern), H50.04 (noncomitancies), H50.05 (esotropia), H50.06 (pattern), H50.07 (pattern) and 1 more.

Don't report H50.0 together with the conditions in its Excludes1 note: intermittent esotropia (H50.31-, H50.32).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under H50.0

Coding notes

Applicable toConditions and synonyms classified to this code
  • Convergent concomitant strabismus
Excludes1Not coded here — never report together with this code

Notes that apply from higher levels

Instructions written at a parent level also apply to H50.0.

Broader instructions also apply from H49-H52 Disorders of ocular muscles, binocular movement, accommodation and refraction and Chapter 7: Diseases of the eye and adnexa.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about H50.0

Is H50.0 billable?

No. H50.0 is a header code. Report one of its more specific subcodes instead.