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ICD-10-CM tabular list

Chapter 7: Diseases of the eye and adnexa

H00-H59

Chapter 7 of the ICD-10-CM tabular list covers diseases of the eye and adnexa, codes H00-H59. It holds 3,466 codes across 12 blocks, of which 2,677 are billable and 789 are header codes that cannot go on a claim. 317 (9%) require a 7th character.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Notes

Additional guidance from the ICD-10-CM tabular list.

  • Use an external cause code following the code for the eye condition, if applicable, to identify the cause of the eye condition

Risk adjustment in Chapter 7

52 of this chapter’s codes map to a CMS-HCC, which means the diagnosis carries a risk-adjustment payment when it is documented and coded to the level the record supports.

  • HCC 298 Severe Diabetic Eye Disease, Retinal Vein Occlusion, and Vitreous Hemorrhage
  • HCC 300 Exudative Macular Degeneration
  • HCC 108 Sickle Cell Disorders, Except Sickle Cell Anemia (Hb-SS) and Thalassemia Beta Zero; Beta Thalassemia Major

Blocks in this chapter

ICD-10-CMFY2026-Apr· effective April 1, 2026