CBC with WBC Differential

Message

Performed in the Hematology Laboratory x5475, 76.
Performed along with a CBC.

Test Code

CBCWD

CPT Codes
85023

Includes

A 6 part automated differential includes: % and absolute neutrophils, lymphocytes, monocytes, eosinophils, basophils, IG (immature granulocytes).
A manual differential includes the above and the following: band forms, immature granulocytes, blasts, NRBC, atypical lymphocytes, plasma cells, and an assessment of WBC, RBC, and platelet morphology.

Preferred Specimen

whole blood

Minimum Volume

0.5 mL

Instructions

Performed with CBC
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?)

Grossly hemolyzed, QNS, clotted.

Methodology
Flow cytometric staining and light scatter

Setup Schedule

24/7

Reference Range

Units: K/µL

Age	Neutrophil	Band	Lymphocyte	Basophil	Age	Monocyte	Eosinophil
0-3 d	1.7-4.7	0.0-0.7	2.2-5.4	0.0-0.2	0-4 d	0.2-1.8	0.0-0.6
	2.1-8.4	0.0-0.7	2.8-5.3	0.0-0.2		0.2-2.2	0.0-0.6
3 d-1 wk.	1.9-4.1	0.0-0.7	4.3-7.7	0.0-0.2	4 d-8 d	0.2-2.2	0.0-0.7
	1.8-5.1	0.0-0.7	4.9-7.0	0.0-0.2		0.2-2.2	0.0-0.6
1 wk-2 wk.	1.9-5.2	0.0-0.7	4.2-7.4	0.0-0.2	8 d-15 d	0.3-3.0	0.0-0.8
	1.7-5.4	0.0-0.7	4.4-8.3	0.0-0.2		0.1-2.9	0.0-0.6
2 wk-1 mo.	1.5-3.6	0.0-0.7	3.9-8.5	0.0-0.2	15 d-31 d	0.2-3.5	0.0-0.8
	1.3-4.3	0.0-0.7	4.1-8.9	0.0-0.2		0.2-5.0	0.0-0.7
1 mo-2 mo.	1.2-4.4	0.0-0.7	3.3-8.3	0.0-0.2	31 d-61 d	0.2-2.7	0.0-0.6
	1.2-4.9	0.0-0.7	3.2-9.1	0.0-0.2		0.2-2.1	0.0-0.5
2 mo-6 mo.	1.4-6.4	0.0-0.7	2.6-8.3	0.0-0.2	61 d-6 mo.	0.5-1.9	0.0-0.5
	1.4-6.7	0.0-0.7	2.8-8.4	0.0-0.2		0.6-1.9	0.0-0.4
6 mo-2 yr.	1.6-8.3	0.0-0.7	1.9-6.8	0.0-0.2	6 mo-2 yr.	0.4-2.0	0.0-0.3
	1.8-9.1	0.0-0.7	1.2-7.0	0.0-0.2		0.3-1.5	0.0-0.3
2 yr-6 yr.	1.8-7.4	0.0-0.7	1.3-4.7	0.0-0.2	2 yr-6 yr.	0.3-1.2	0.0-0.3
	1.8-6.8	0.0-0.7	1.4-4.7	0.0-0.2		0.5-1.1	0.0-0.3
6 yr-12 yr.	1.8-6.6	0.0-0.7	1.1-3.4	0.0-0.2	6 yr-12 yr.	0.3-0.9	0.0-0.4
	1.8-6.7	0.0-0.7	1.1-3.5	0.0-0.2		0.4-0.9	0.0-0.3
12 yr-18 yr.	2.0-6.6	0.0-0.7	1.0-2.6	0.0-0.2	12 yr-18 yr.	0.4-1.3	0.0-0.4
	2.3-6.9	0.0-0.7	1.1-2.6	0.0-0.2		0.4-0.9	0.0-0.3
18 yr-150 yr.	1.5-7.5	0.0-0.7	1.0-4.0	0.0-0.2	18 yr-150 yr.	0.2-0.8	0.0-0.5
	1.5-7.5	0.0-0.7	1.0-4.0	0.0-0.2		0.2-0.8	0.0-0.5

Atypical Lymphocyte, Blast, Megakaryocyte, Metamyelocyte, Myelocyte, Nucleated Red Blood Cell,
Other Cell, Plasma Cell, Prolymphocyte, Promyelocyte

0-150 yr.	0.0-0.0
	0.0-0.0

**Female Ranges are in BLUE

Clinical Significance

Determination of WBC cell types,
red blood cell morphology,
platelet morphology and estimate
to assess infection, anemia, and malignancy.

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.