Hemogram

Test Code

LAB294

Alias/See Also

HEMO

Includes

White blood cell count (WBC); red blood cell count (RBC); hemoglobin (Hgb); hematocrit (Hct); platelet count (Plt); red cell indices

Instructions

"Routine venipuncture
Collect one 4.0 Lavender top (EDTA) tube
(pediatric)two EDTA Microtainers™ (1 mL)
Lavender top (EDTA) tube
"

Specimen Stability

Specimens can be kept at room temperature for up to 12 hours. For hemogram, refrigerate at 4°C for up to 48 hours. Do not freeze. CHOMP Hematology Dept stores samples for a maximum of 24 hours.

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

Insufficient quantity; clotted specimen; specimen >48 hours at room temperature; improperly labeled specimen

Methodology
The CBC is based on the Coulter method of counting and sizing and asingle beam photometer for hemoglobinopathy.

Setup Schedule

Daily

Report Available

STAT outpatient: 2 hours; STAT inpatient and ER: 45 minutes

Additional Information
NCD-ABN_BloodCounts

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.