Laboratory Test Guide

CBC, Differential, Smear Evaulation and T Cell Subsets

General Information

Lab Name

CBC, Diff/Smr, T Cell Subsets

Lab Code

CBCDT

Epic Name

CBC w/Differential & T Cell Subsets

Synonyms

CD4, T4T8 Ratio, T & B Lymphocytes, T Cell Subsets

Components

Code	Name
CBD	CBC, Diff/Smear Evaluation
WBC	WBC
RBC	RBC
HB	Hemoglobin
HCT	Hematocrit
MCV	MCV
MCH	MCH
MCHC	MCHC
PLT	Platelet Count
RDWCV	RDW CV
TNEUTP	% Neutrophils
LYMPHP	% Lymphocytes
MONOCP	% Monocytes
EOSP	% Eosinophils
BASOP	% Basophils
IMGP	% Immature Granulocytes
TNEUT	Neutrophils
LYMPH	Lymphocytes
MONOC	Monocytes
EOS	Eosinophils
BASO	Basophils
IMG	Immature Granulocytes
TCSA	T cell subsets CD3/CD4/CD8, counts
CD4P	% CD4
CD4A	Abs CD4 Lymphocyte Cnt
CD8P	% CD8
CD8A	Abs CD8 Lymphocyte Cnt
CD4CD8	CD4/CD8 Ratio
CD3P	% CD3
CD3A	Abs CD3 Lymphocyte Cnt
NFDA4	Test Comment

Interpretation

Reference Range

See individual components

Ordering & Collection

Specimen Type

Blood

Collection

Blood in 3 or 5 mL Lavender (EDTA) tube

Handling Instructions

The Laboratory MUST receive and process specimen, within 4 hrs of blood collection.

Note: Samples from UW Neighborhood Clinics or outside locations should be refrigerated and transported to UW-MT Hematology. After arrival samples should be maintained at room temperature for testing.

Quantity

requested: entire sample

Processing

Take sample to Hematology with "shared sticker" label
[this tube can be shared with CBC].

HMC/SPS: On Friday, send specimens collected before 2:30pm by taxi to Hematopathology lab.

Stability: For CBC & Diff: Stable 24 hours. For T-Cells: Lavender Top stable for 48 hours @ room temperature. Specimens >48 hour will be run by HP, but results will be reported at the discretion of the Lab based on Integrity of the specimen.

Performance

LIS Dept Code

Performing Location(s)

HMC	See Individual Tests
UW-MT	See Individual Tests