Reticulocyte Count

Message

Performed in the Hematology Laboratory x5475, 76.

Test Code

RETIC

Alias/See Also

Retic count

CPT Codes
85045

Includes

Retic %, absolute Retic count, and % IRF (immature reticulocyte fraction)

Preferred Specimen

whole blood

Minimum Volume

1 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 24 hours if refrigerated at 2-8 degrees C.

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

Gross hemolysis, QNS, clotted

Methodology
Auramine O Fluorescent dye stain

Setup Schedule

24/7

Reference Range

Unit: % 0 -	4 days	low 0.5	high 1.5
		2.1	3.7
4 days -	1 month	0.4	2.7
		0.4	2.0
1 month -	2 months	0.9	3.8
		1.5	3.2
2 months -	6 months	0.9	3.1
		1.1	2.9
6 months -	2 years	0.8	2.0
		0.9	2.0
2 years -	6 years	0.8	2.0
		0.8	2.1
6 years -	12 years	0.7	2.2
		0.8	2.8
12 years -	18 years	0.8	2.2
		0.8	2.2
18 years -	150 years	0.5	2.2
		0.5	2.2
**Female Ranges are in BLUE

Absolute retic count: 31.5-108.8/uL
IRF: 4.0-22.0 %

Clinical Significance

Assessment of anemia and bone marrow response to blood loss or hemolysis

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.