COMPLETE BLOOD COUNT

Mnemonic

CBC

Synonym

Hemogram - CBC without differential

Includes

WBC, RBC, HGB, HCT, MCV, MCH, MCHC, PLT, RDW, MPV

Guidelines

Order if hemogram results are needed but differential results are not required.

Specimen Collection Requirements

Collect

Whole Blood, one 4.0 mL or 2.0 mL lavender (EDTA) top tube, minimum 1/2 full; or one micro lavender (EDTA) top container, minimum 1/2 full

Handling

Refrigerate at 2-8°C.

Preferred Volume

1.00 mL

Minimum Volume

0.25 mL

Transport

Refrigerate at 2-8°C

Rejection Criteria

Under filled tube, collection container must be filled to a minimum of 1/2 of the maximum sample volume (i.e. 4.0 mL tube must have 2.0 mL of blood). Overfilled tube, collection tubes must not be filled to more then the maximum sample volume. Frozen, clotted or grossly hemolyzed samples or incorrect anticoagulant.

Stability

Ambient (18-21°C): 24 hours; Refrigerated (2-8°C): 48 hours

Testing Information

Performed

7 days/week

Method

Automated Cell Counter

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Last Updated: Thursday, January 5, 2017 03:42:04 AM