Test Code HGB Hemoglobin, Blood

Methodology

Spectrophotometric

Specimen Requirements

Draw blood in a lavender-top (EDTA) tube(s) or a CAPIJECT® (EDTA) tube(s), and send EDTA whole blood. Forward unprocessed whole blood promptly.

Reject Due To

Hemolysis	NA
Lipemia	NA
Icterus	NA

Reference Values

Hgb (g/dL)
Age	Male	Female
>0d	13.4-19.8	13.4-19.8
>14d	10.7-17.1	10.7-17.1
>31d	9.4-13.0	9.4-13.0
>60d	10.3-14.1	10.3-14.1
>120d	11.1-14.1	11.1-14.1
>180d	11.4-14.0	11.4-14.0
>270d	11.3-14.1	11.3-14.1
≥1yr	11.0-14.0	11.0-14.0
≥2yr	11.5-14.0	11.5-14.0
≥6yr	12.0-16.0	12.0-16.0
≥12yr	12.5-16.5	12.0-16.0
≥18yr	12.2-16.7	11.5-14.7

Critical Values

Infants (0-1 months): <10.0 g/dL , >23.0 g/dL

>1 month : <7.0 g/dL, >20.0 g/dL

Day(s) Test Set Up

Monday through Sunday

CPT Coding

85018

Performing Laboratory

Huntsville Hospital Laboratory/Madison Hospital Laboratory

LOINC Coding

Test Name	LOINC Code
Hemoglobin, Blood	718-7

Specimen Stability Information

Specimen Type	Temperature	Time
Whole blood, EDTA	RT	24 hrs
	Refrigerated	48 hrs