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Independence Blue CrossCommercial · Billing Codes · Pharmacy · Gastroenterology, PharmacyHigh impact

08.02.19b, Mirikizumab-mrkz (Omvoh®) for Intravenous Use

Effective date
Oct 19, 2026
Identified
Oct 20, 2026

Summary

Independence Blue Cross updated policy 08.02.19b for mirikizumab-mrkz (Omvoh) IV effective 10/19/2026. Coverage criteria were revised to align with updated ACG guidelines, removing conventional therapy requirements. Billing teams must now append modifier JA to indicate intravenous administration, and must use the reintroduced ICD-10 diagnosis codes for ulcerative colitis and Crohn's disease claims.

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What to do

Action · 5 steps
01Effective 2026-10-19: Billing team must implement the following changes.
02Append modifier JA (Administered Intravenously) to HCPCS code J2267 for all mirikizumab-mrkz IV claims in the billing system.
03Update billing software to require one of the listed ICD-10 diagnosis codes (K50.xx or K51.xx series) for Crohn's disease or ulcerative colitis when billing J2267.
04Remove any prior requirement for conventional therapy documentation before processing claims, as the policy no longer mandates this criterion.
05Verify that claims submitted include proper gastroenterology provider documentation and confirm members meet the medical necessity criteria (age 18+, moderately to severely active disease, no concurrent biologic DMARD therapy, prescribed by gastroenterology provider).
If missed: Failure to append modifier JA or use appropriate diagnosis codes may result in claim denials.

Codes mentioned

J2267K50.00K50.011K50.012K50.013K50.014K50.018K50.019K50.10K50.111K50.112K50.113K50.114K50.118K50.119K50.80K50.811K50.812K50.813K50.814K50.818K50.819K50.90K50.911K50.912K50.913K50.914K50.918K50.919K51.00K51.011K51.012K51.013K51.014K51.018K51.019K51.20K51.211K51.212K51.213K51.214K51.218K51.219K51.30K51.311K51.312K51.313K51.314K51.318K51.319K51.50K51.511K51.512K51.513K51.514K51.518K51.519K51.80K51.811K51.812K51.813K51.814K51.818K51.819K51.90K51.911K51.912K51.913K51.914K51.918K51.919

Original notice

08.02.19b, Mirikizumab-mrkz (Omvoh®) for Intravenous Use
medpolicy.ibx.com · Always check the source before changing claims.
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