Hcg level I need to know

At 4 to 5 weeks the range can vary quite a bit from person to person, so a single number on its own does not tell the full picture without context. What matters more is whether the level is rising appropriately over 48 hours, which your doctor will track with repeat blood tests. It would be good to bring this up with your gynae or polyclinic doctor, just to be safe, so they can interpret your specific numbers alongside how you are feeling and your scan results.