ICD Code H40.9

ICD code H40.9 is unspecified glaucoma, meaning the patient has glaucoma but the specific type or cause has not been identified or documented.

1. Presence of elevated intraocular pressure detected during examination

2. Evidence of optic nerve damage consistent with glaucoma

3. Visual field loss characteristic of glaucomatous changes

4. Absence of a more specific glaucoma subtype diagnosis after comprehensive evaluation

5. Patient may present with symptoms such as blurred vision, halos around lights, or gradual loss of peripheral vision, though early stages may be asymptomatic

6. No identifiable secondary cause for glaucoma (e.g., trauma, steroid use, or other ocular disease)

7. Documentation of glaucoma without further specification in the medical record

Relevant CPT codes that may be used to treat ICD code H40.9 include:

- 92002: Ophthalmological services; new patient, intermediate

- 92004: Ophthalmological services; new patient, comprehensive

- 92012: Ophthalmological services; established patient, intermediate

- 92014: Ophthalmological services; established patient, comprehensive

- 92133: Scanning computerized ophthalmic diagnostic imaging, posterior segment, with interpretation and report, unilateral or bilateral; optic nerve

- 92134: Scanning computerized ophthalmic diagnostic imaging, posterior segment, with interpretation and report, unilateral or bilateral; retina

- 92250: Fundus photography with interpretation and report

- 66170: Trabeculectomy ab externo in glaucoma, with or without iridectomy

- 66172: Trabeculectomy ab externo in glaucoma, with scarring from previous surgery or trauma

- 66710: Ciliary body destruction; cyclophotocoagulation, transscleral

- 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (if cataract surgery is indicated in the management)

- 65855: Trabeculoplasty by laser surgery

These CPT codes are commonly associated with the management and treatment of H40.9.

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