Catalog ID CBC CBC
CPOE Test Name
CBC
Epic EAP Test Code
LAB294
Synonyms
Complete Blood Count without Differential, Hemogram, Blood Count
Specimen Type
Blood
Specimen Requirements
Lavendar Top (EDTA ) tube; 2.0 mL blood for venipuncture, 500 µL for capillary EDTA microtainer collection
Causes for Rejection
Clotted specimen; insufficient quantity; wrong tube; improper labeling
Turn Around Time
2 hours
Performing Lab
Core Laboratory BI-2023 721-2120; Cancer Center Lab AM-2610 721-1739; Pediatric Teaching Laboratory BP-3230 721-7536; Family Practice Laboratory BP-1148 721-4596
Critical Values
WBC < = 1000 or ≥ 50,000 if no previous results; RBC >7 million; Hgb Newborn ≤ 9.5 and ≥ 22, Others ≤ 6 and ≥ 20 g/dL; Hct New born ≤ 33 and ≥ 70, Others ≤ 20 and ≥ 65 %; Platelets ≤ 50,000 and ≥ 1,000,000 cells/mcL
Storage and Transport
Room temperature
Reference Range
Reference Range
WBC count: See test code WBC;
RBC count:
3.90-5.03 10E12/L (female, adult 16y and older)
4.10-5.20 10E12/L (female, 12y-15y)
4.32-5.72 10E12/L (male, adult 16y and older)
4.40-5.50 10E12/L (male, 12y-15y);
Hemoglobin: See test code HGB;
Hematocrit: See test code HCT;
MCV:
82-98 fl (female, adult 16y and older)
81-95 fl (male, adult 16y and older);
MCHC:
32-36 g/dL (2y and older);
MCH:
26-34 pg (adult 18y and older)
25-35 pg (12y-17y);
RDW:
11.9-15.5% (female, adult 16y and older)
11.8-15.6% (male, adult 16y and older);
MPV:
9.4-12.3 fl (female, adult 16y and older)
9.4-12.4 fl (male, adult 16y and older);
Platelet: See test code PLT.
Contact laboratory for age-specific ranges not listed above.
Test Consists
WBC, RBC, Hgb, Hct, MCV, MCH, MCHC, RDW, PLT, MPV
CPT/HCPCS Code
85027
EAP Test Code
LAB294