ICD-10 H34.233
Billable / Specific CCRetinal artery branch occlusion, bilateral
About ICD-10-CM H34.233
ICD-10-CM code H34.233 represents Retinal artery branch occlusion, bilateral. This is a billable/specific code in the Eye and Adnexa chapter (block H34). The 2026 edition of ICD-10-CM H34.233 became effective on October 1, 2025.
Coding Tips for H34.233
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
H34.233 is designated CC for MS-DRG grouping. On inpatient claims, this code can shift the DRG to the with-CC variant when documented as a present-on-admission secondary diagnosis. Hospital CDI programs flag CC opportunities during chart review. Failure to capture this code may leave 30 to 80 percent of the inpatient stay revenue unrealized.
Inpatient DRG Impact, CC
codes Retinal artery branch occlusion, bilateral. As a Complication/Comorbidity (CC), this contributes to DRG severity adjustment when documented alongside the principal diagnosis.
Medicare LCD Coverage for H34.233
Local Coverage Determinations (LCDs) from CMS MACs that list H34.233 as a covered diagnosis.
Showing top 10 of 330 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H34.233.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with H34.233
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert H34.233 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| H34.233 | 36232 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H34.233
Other codes in section H30-H36 (Disorders of choroid and retina).
ICD-10 H34.233, Billing FAQ
Is ICD-10 code H34.233 billable? +
Yes, H34.233 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Is H34.233 a CC or MCC for inpatient DRG? +
Yes, this code is designated as CC. Documenting as a secondary diagnosis on inpatient claims can shift the DRG to a higher-weighted category.
What ICD-9 codes does H34.233 map to? +
Per CMS GEMs, H34.233 maps to ICD-9 codes: 36232. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team