Skip to content
Dx

ICD-10-CM 2027 diagnosis code

H52.2Astigmatism

Not billable — use a more specific code

H52.2 is a header code, so it can't be reported by itself. Choose one of the 3 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 H52.2

H52.2 is the ICD-10-CM diagnosis code for astigmatism. It belongs to category H52 (disorders of refraction and accommodation), 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 3 subcodes must be used instead.

Within H52 (disorders of refraction and accommodation), H52.2 is specifically for astigmatism. Related codes cover Hypermetropia (H52.0), myopia (H52.1), Anisometropia and aniseikonia (H52.3), Presbyopia (H52.4), disorders of accommodation (H52.5), other disorders of refraction (H52.6) and unspecified disorder of refraction (H52.7).

To report this condition, pick the subcode that matches the documentation: H52.20 (astigmatism), H52.21 (astigmatism) and H52.22 (astigmatism).

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 H52.2

Notes that apply from higher levels

Instructions written at a parent level also apply to H52.2.

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 H52.2

Is H52.2 billable?

No. H52.2 is a header code. Report one of its more specific subcodes instead.