CPT 92133SCODI Optic Nerve (OCT)
Scanning computerized ophthalmic diagnostic imaging (SCODI), posterior segment, with interpretation and report, unilateral or bilateral; optic nerve
CPT 92133 reports SCODI (typically OCT) of the optic nerve with interpretation and report. Primary use is glaucoma diagnosis, monitoring, and optic nerve evaluation.
When to use CPT 92133
Use for OCT of the optic nerve in glaucoma, glaucoma suspect, optic neuropathy, or optic nerve pathology. Cannot be billed same day as 92134 (retina SCODI).
Documentation requirements
- Medical indication
- Machine and protocol
- Interpretation comparing to normative database and prior scans
- Impact on management
Reimbursement
Use the current payer fee schedule for this code, locality, service setting and date of service.
Rates and patient responsibility depend on the payer and service. No unsourced national average is presented here.
Common modifiers
- -26
- -TC
Common denial reasons for CPT 92133
- Same-day 92134 bundling
- Frequency limits
- Diagnosis not supported
Verify CPT 92133 against official sources
Use the code set and payer policy applicable to the date of service. This educational reference is not a coverage decision or a substitute for a qualified coding review.
- CMS Physician Fee Schedule: select the year, locality and service setting before looking up payment information.
- CMS NCCI edits and manuals: check the applicable code-pair edits and modifier instructions.
- Medicare Coverage Database: find relevant coverage and documentation policies.
- AMA CPT resources: consult the current licensed code set.
A practical documentation check
- Match the documented service to the code definition.
- Confirm patient status, laterality, components and any required interpretation.
- Check coverage, edits and payer-specific requirements.
- Have the responsible clinician or billing reviewer resolve discrepancies before submission.
Editorial sources updated September 15, 2026. Published by Jelo.
Jelo’s AI scribe is an upcoming add-on from $70/month. It is being developed to assist with documentation and code suggestions; clinicians and billing staff must verify every code. It is not included in the live platform subscription.
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