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
- H00-H05Disorders of eyelid, lacrimal system and orbit704 codes
- H10-H11Disorders of conjunctiva219 codes
- H15-H22Disorders of sclera, cornea, iris and ciliary body646 codes
- H25-H28Disorders of lens156 codes
- H30-H36Disorders of choroid and retina538 codes
- H40-H42Glaucoma320 codes
- H43-H44Disorders of vitreous body and globe245 codes
- H46-H47Disorders of optic nerve and visual pathways122 codes
- H49-H52Disorders of ocular muscles, binocular movement, accommodation and refraction203 codes
- H53-H54Visual disturbances and blindness182 codes
- H55-H57Other disorders of eye and adnexa43 codes
- H59Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified88 codes