Hemoglobin

Message

Performed in the Hematology Laboratory x5475, 76

Test Code

HGB

CPT Codes
85018

Preferred Specimen

Whole blood

Minimum Volume

0.5 mL

Instructions

Other Hematology tests requiring a Purple Top (EDTA) tube can also be performed on this sample. If other tests are ordered, a minimum of 3 mL is required.

Transport Container

3 mL Purple top (EDTA)

Transport Temperature

Room Temperature

Specimen Stability

Stable for 6 hours at Room Temperature, or up to 24 hours at 2-8^oC

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis, QNS, clotted

Methodology

Sodium lauryl sulfate (SLS)

Setup Schedule

24/7

Limitations

Gross lipemia invalidates the following parameters: HGB, MCH, and MCHC

Reference Range

Units: g/dL

0 -	3 days	14.7	18.6
		12.7	18.3
3 days -	1 week	13.4	17.9
		12.2	18.7
1 week -	2 weeks	11.1	16.7
		11.9	16.9
2 weeks -	1 month	9.9	14.9
		10.5	14.7
1 month -	2 months	8.9	11.9
		8.9	12.3
2 months -	6 months	9.7	12.2
		9.7	12.0
6 months -	2 years	10.3	12.4
		10.4	12.4
2 years -	6 years	10.5	12.7
		10.7	12.7
6 years -	12 years	11.0	13.3
		10.9	13.3
12 years -	18 years	11.5	14.8
		11.2	13.6
18 years -	150 years	13.5	16.0
		11.0	15.0
**Female Ranges are in BLUE

Clinical Significance

Used to evaluate anemias or evaluate blood loss

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.