Optometry Coding & Billing Alert

Fast Facts on 92135

OCT stands for "optical coherence tomography," and it's also sometimes called a retinal thickness analyzer (RTA). "Optometrists use the OCT to evaluate patients for early signs of eye diseases like glaucoma and macular degeneration," explains David Gibson, OD, FAAO, a practicing optometrist in Lubbock, Texas. "The laser technology can image structures beneath the surface of the retina, providing earlier detection than conventional viewing methods or even a visual field test."

Code OCT with CPT 92135 (Scanning computerized ophthalmic diagnostic imaging [e.g., scanning laser] with interpretation and report, unilateral). Use this same code to report all scanning laser glaucoma tests (SLGT).

2008 National Medicare Physician Fee Schedule Allowable: $44.18 when performed in the office.

Global period: N/A

Sample covered diagnosis codes include (note that this is not a complete list):

- 362.85 -- Retinal nerve fiber bundle defects

- 364.22 -- Glaucomatocyclitic crises

- 365.00 -- Preglaucoma, unspecified

- 365.04 -- Ocular hypertension

- 365.10 -- Open-angle glaucoma, unspecified

- 365.11 -- Primary open-angle glaucoma

- 365.12 -- Low tension glaucoma

- 365.13 -- Pigmentary glaucoma

- 365.14 -- Glaucoma of childhood

- 365.15 -- Residual stage of open-angle glaucoma

- 365.20 -- Primary angle-closure glaucoma, unspecified

- 365.21 -- Intermittent angle-closure glaucoma

- 365.22 -- Acute angle-closure glaucoma

- 365.23 -- Chronic angle-closure glaucoma

- 365.24 -- Residual stage of angle-closure glaucoma

- 368.40 -- Visual field defect, unspecified

- 377.00 -- Papilledema, unspecified

- 377.15 -- Partial opticatrophy

- 377.9 -- Unspecified disorder of optic nerve and visual pathways

Codes bundled with 92135 by Correct Coding Initiative (CCI): 99211, 92250.

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