Identification of hemoglobin variants in samples received for glycated hemoglobin testing.

Background: In 2010 Singapore's National Health Survey reported 11.3% of the population between 18-69 years of age with diabetes, compared to 8.2% in 2006.

Immunoglobulin-associated creatine kinase masquerading as macro-creatine kinase type 2 in a statin user.

Macro-creatine kinase (CK) is a cause of falsely elevated CK. Macro-CK type 1 is immunoglobulin-associated CK; type 2 is polymeric mitochondrial-CK. An elderly asymptomatic lady had an elevated CK level after receiving statin therapy.