Your employer pays for your health insurance every month. Yet surveys consistently show that a large proportion of Nigerian employees never use their HMO pharmacy benefits, either because they do not know what is covered, or because they find the process too confusing.
This guide will demystify HMO pharmacy access so you get every benefit you are entitled to.
Understanding the difference between your HMO plan tiers
Most Nigerian HMO plans operate on a tiered formulary — a list of covered drugs divided into tiers based on cost-sharing. Tier 1 drugs (usually generics) cost you the least. Tier 2 (preferred brand names) have a moderate co-pay. Tier 3 (non-preferred or specialty drugs) carry the highest out-of-pocket cost.
Before your next refill, request the formulary document from your HMO. It lists every covered medication and what you will pay for each. Many HMOs will also send this by email or make it available in their mobile app.
How to use your HMO at a registered pharmacy
The process is simpler than most people assume. Here is the typical flow at a registered pharmacy like ElCharis:
- Present your HMO card and a valid prescription from your doctor
- The pharmacist checks your plan against the formulary to confirm coverage
- You pay only the applicable co-pay — the HMO settles the balance directly with the pharmacy
- You receive a dispensing receipt showing what was billed to your plan and what you paid
What if your prescribed drug is not on the formulary?
This is more common than you might think. If your doctor prescribes a brand-name drug not covered by your plan, you have two options.
First, ask your pharmacist whether a therapeutically equivalent generic exists. Generics contain the same active ingredient in the same dosage — they are just manufactured by a different company after the original patent expires. Switching to a generic can reduce your co-pay from thousands of naira to hundreds.
Second, your doctor can submit a prior authorisation request to your HMO. This is a formal request explaining why the specific non-formulary drug is medically necessary. Approvals are not guaranteed, but for certain chronic conditions they are commonly granted.
Common reasons HMO pharmacy claims get rejected
A rejected claim does not always mean the drug is not covered. Many rejections are administrative and easily resolved.
- Prescription written by a doctor outside your HMO network — ask your GP to confirm they are listed
- Prescription quantity exceeds your plan's allowed days supply (commonly 30 days)
- The drug requires prior authorisation that was not obtained
- Your HMO ID number was entered incorrectly
- Your plan's benefit period has reset and you need a new referral
HMO plans accepted at ElCharis
We are registered with Hygeia HMO, Avon HMC, AXA Mansard Health, Reliance HMO, Leadway Health, Clearline HMO, and Total Health Trust. If your HMO is not on this list, contact us — our accreditation is ongoing and we add new plans regularly.
For every HMO transaction, we provide a full dispensing receipt and can resend documentation to your HR department or directly to your insurer on request.