Omidubicel-onlv (Omisirge) — medical necessity and coverage criteria for intravenous infusion
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Policy governs medical necessity coverage and administrative requirements for omidubicel-onlv (Omisirge) IV infusion for eligible patients receiving umbilical cord blood transplantation or with severe aplastic anemia, affecting providers and prior authorization for Blue Cross NC members.
Added applicable revenue codes 0891 and 0892 associated with policy HCPCS code(s).
Original medical policy criteria issued and policy put on notice for effective date April 1, 2026.
Medical Necessity and Coverage Criteria
Medical necessity criteria (Initial/One-time dosing)
Covered when ALL of the following group-specific criteria are met (distinct branches for hematologic malignancy with planned UCBT and severe aplastic anemia):
Two distinct indication pathways
All subcriteria require medical record documentation
All subcriteria require medical record documentation
Coverage is intended for patients who do NOT have a readily available donor option. Specifically, omidubicel-onlv (Omisirge) is covered only when the patient has no readily available matched related donor (MRD), matched unrelated donor (MUD), mismatched (7/8 matched) unrelated donor (MMUD), or haploidentical related donor. Documented evaluation of donor availability must be provided in the medical record prior to authorization.
Use of omidubicel-onlv is contraindicated in patients with known hypersensitivity to components of the product. Documented hypersensitivity to any of the following excludes coverage: dimethyl sulfoxide (DMSO), Dextran 40, gentamicin, human serum albumin, or bovine material.
Dosing, Regimen Limits, and Approval Duration
| Regimen | Dose / Cell count requirements | Maximum units | Duration of approval |
|---|---|---|---|
| One-time, single-dose intravenous (IV) infusion of omidubicel-onlv (Omisirge) per FDA label; indicated to reduce time to neutrophil recovery and incidence of infection following myeloablative conditioning in patients ≥12 years planned for umbilical cord blood transplantation; also indicated for severe aplastic anemia in patients ≥6 years following reduced-intensity conditioning. | |||
| Cultured Fraction (CF): minimum of 8.0 x 10^8 total viable cells (of which ≥8.7% are CD34+ and ≥9.2 x 10^7 CD34+ cells). Non-cultured Fraction (NF): minimum of 4.0 x 10^8 total viable cells (with ≥2.4 x 10^7 CD3+ cells). Requested dose must be within FDA labeled dosing. | |||
| 1 | |||
| 365 days (1 year); one-time, single-dose treatment per lifetime |
Indication Line and Salvage Use
Salvage
Medical record documentation of planned UCBT and conditioning required
HCPCS, Revenue Codes, and Product Specifications
| 0891 | Special Processed Drugs - FDA Approved Cell Therapy (revenue code) |
| 0892 | Special Processed Drugs - FDA Approved Gene Therapy (revenue code) |
Prior Authorization, Documentation, and Billing Requirements
Prior Authorization Required
Prior authorization is required. Submit medical necessity documentation with the prior authorization request. Requests that do not include required medical record documentation (see items below) may be denied.
- Required documentation must be submitted with the prior authorization request: diagnosis, patient age, planned transplantation type (e.g., UCBT) and conditioning regimen (myeloablative or reduced-intensity), intent to reduce neutrophil recovery time and incidence of infection (when applicable), prior allo-HSCT history, details confirming lack of readily available matched donor (MRD/MUD/MMUD/haploidentical) when applicable, confirmation of prior SAA therapy (e.g., hATG + cyclosporine + eltrombopag) or contraindication to immunosuppressive therapy for SAA, eligibility for myeloablative allo-HSCT (for hematologic malignancy indication), planned prophylactic/supportive therapies (including G-CSF), prescriber specialty or consultation with a specialist, documentation of dosing within FDA-labeled limits and requested quantity, and documentation of any contraindications (e.g., known hypersensitivity to DMSO, Dextran 40, gentamicin, human serum albumin, or bovine material).
- Documentation examples: operative/transplantation plan, clinic notes, pathology or marrow reports (e.g., bone marrow cellularity, reticulocyte count), prior treatment records showing trial and inadequate response to standard immunosuppressive therapy for SAA, allergy/intolerance documentation, and institutional conditioning regimen orders.
Documentation Required
Medical record documentation is required and must be submitted with the request. Failure to provide the required records may result in denial of coverage.
- At minimum include: diagnosis and supporting clinical data (e.g., marrow cellularity, reticulocyte count), patient age, planned transplant type and conditioning intensity, documentation that the requested product will be used to reduce time to neutrophil recovery and infection (for UCBT indication), prior allo-HSCT status, lack of suitable donors (when applicable), prior SAA therapy and response (e.g., hATG + cyclosporine + eltrombopag) or contraindication to immunosuppression, prophylactic/supportive care plan (including G-CSF), prescriber specialty or consult, dosing and quantity justification within FDA limits, and any contraindication documentation.
Denial Risk — Missing Medical Record Documentation
Requests missing any of the required medical records or lacking documentation to support key eligibility criteria (diagnosis, planned UCBT/myeloablative or reduced-intensity conditioning, prior allo‑HSCT details, prior SAA therapy and response or contraindication, lack of suitable donors, or prescriber specialty/consultation) are at risk for denial.
- Common denial-risk omissions: absent marrow reports (cellularity), missing reticulocyte counts, no documentation of prior standard immunosuppressive therapy trial and inadequate response for SAA, no transplant plan or conditioning regimen documentation, and no documentation confirming absence of suitable donors.
Product Fraction Definitions
Clinical Background and Product Description
Omidubicel-onlv (Omisirge) is an FDA-approved, one-time, single-dose umbilical cord blood–derived product composed of cultured and non‑cultured fractions intended to reduce time to neutrophil recovery and incidence of infection in patients undergoing umbilical cord blood transplantation or to treat severe aplastic anemia following appropriate conditioning. Coverage is for a single intravenous infusion per lifetime when medical necessity criteria and dosing within the FDA label are met; documentation of diagnosis, planned conditioning/transplant intent, and prescribed dose are required.
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