Hemoglobin Fukuoka caused unexpected hemoglobin A1c results: A case report

Table 1 Routine blood data

	Results	Reference range
Red blood cells (× 1012/L)	5.6	4.3-5.8
Hemoglobin (g/L)	161	130-175
Mean erythrocyte volume (fL)	91	82-100
Mean erythrocyte hemoglobin volume (pg)	29	27-34
Mean erythrocyte hemoglobin concen-tration (g/L)	315	316-354
Erythrocyte distribution width (%)	13	12-15
Total protein (g/L)	79.3	65.0-85.0
Albumin (g/L)	46.1	32.0-45.0
Alanine aminotransferase (U/L)	19	0-55
Aspartate transferase (U/L)	22	15-40
Blood creatinine (µmol/L)	76	64-104
Blood urea nitrogen (mmol/L)	4.8	3.2-7.4
Fasting glucose (mmol/L)	4.71	3.90-6.10