SGH can accept accumulating unpaid bills.. paid in one go. (If high overdue, then SGH would block orders.)

After payment, you can use HealthHub (or HealthBuddy) APP to generate official receipt for Cigna.

Cigna policy .. for each medication delivery date, within 12M you must submit claim.

— to generate invoice

On 8 Nov 2024, I had difficulty on HealthHub so I called SGH 6321 4110 to send me bills.

SGH self-service portal .. no help.