Blood count

Pyruvate kinase (erythrocyte) unit converter

Red cell enzyme activity (haemolytic anaemia work-up)

Also known as: PK, Erythrocyte pyruvate kinase

Converter

Enter a value in any unit and all other units fill in.

IU/g Hb = U/g Hb

Conversion formulas

Equivalent notations	IU/g Hb = U/g Hb	1 : 1

Good to know

Pyruvate kinase (erythrocyte) is reported in IU/g Hb or U/g Hb. The page converts between the units only.

1 U/g Hb = 1 IU/g Hb; the two notations are interchangeable.
The range shown is a guide from the named source; targets and reference ranges differ between laboratories, methods and indications, so compare with the range on your own report.

Reference range

Unit	Adults
IU/g Hb = U/g Hb	11 – 19

Source: Severn Pathology (North Bristol NHS Trust): Pyruvate kinase · Last reviewed: 2026-10-19

Note from the source: 11-19 IU/g haemoglobin (Severn Pathology); 1 IU = 1 U. Results are only valid if the sample was not recently transfused

Frequently asked questions

What is the reference range of Pyruvate kinase (erythrocyte)?

For adults the range is 11 – 19 IU/g Hb (Severn Pathology (North Bristol NHS Trust): Pyruvate kinase). Reference ranges differ between laboratories and partly by sex and age; use the range printed on your lab report.

Which units are used for Pyruvate kinase (erythrocyte)?

Common units are IU/g Hb.