The normal range for hemoglobin is: 1  For men, 13.5 to 17.5 grams per deciliter. 2  For women, 12.0 to 15.5 grams per deciliter.he normal range for hemoglobin is: 1  For men, 13.5 to 17.5 grams per deciliter. 2  For women, 12.0 to 15.5 grams per deciliter.
Abnormal results mean there is an abnormality in the size, shape, color, or coating of the red blood cells (RBCs). Some abnormalities may be graded on a 4-point scale: 1+ means 25% of cells are affected.
Talk to your doctor about the meaning of your specific test results. A negative value usually means that alcohol, prescription medications that have not been prescribed, and illegal drugs have not been detected. A blood toxicology screen can determine the presence and level (amount) of a drug in your body. Urine sample results are usually reported as positive (substance is found) or negative (no substance is found).