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Lab Test

Complete Blood Count

CBC

Test Codes

Antrim #27045, EPIC: LAB5141, SOFT: CBCND

Department

Hematology

Specimen Collection Criteria

Collect (preferred specimen): One 4.0 mL Lavender-top K2EDTA tube. (Minimum: 2.0 mL)
Also acceptable: One Lavender-top K2EDTA Microtainer®. (Minimum: 300 mcL)
See Minimum Pediatric Specimen Requirements for Microtainer® collection.

Physician Office/Draw Specimen Preparation

Maintain specimens refrigerated (2-8°C or 36-46°F) prior to transport. Room temperature (20-26°C or 68-78.8°F) is acceptable for a maximum of 8 hours.

Preparation for Courier Transport

Transport: Whole blood or capillary blood, refrigerated (2-8°C or 36-46°F). (Minimum: 2.0 mL whole blood or 300 mcL capillary blood)

Rejection Criteria

  • Specimens containing clots.
  • Insufficient volume.
  • Frozen specimens.

Storage

Specimen Stability for Testing:

Room Temperature (20-26°C or 68-78.8°F): 8 hours
Refrigerated (2-8°C or 36-46°F): 72 hours
Frozen (-20°C/-4°F or below): Unacceptable

Specimen Storage in Department Prior to Disposal:

Refrigerated (2-8°C or 36-46°F): 7 days

Laboratory

Farmington Hills Hematology Laboratory
Grosse Pointe Hematology Laboratory
Lenox Main Laboratory
Livonia Main Laboratory
Royal Oak Hematology Laboratory
Troy Hematology Laboratory

Performed

Sunday – Saturday, 24 hours a day.
STAT results available in 30 minutes; 60 minutes if further verification is necessary.
Routine results available within 90 minutes, unless further verification is necessary.

Reference Range

Parameter Female Male
WBC (bill/L) 3.3-10.7 3.5-10.1
RBC (tril/L) 3.87-5.08 4.31-5.48
Hemoglobin (g/dL) 12.1-15.0 13.5-17.0
HCT (%) 35.4-44.2 40.1-50.1
MCV (fL) 80-100 80-100
MCH (pg) 28-33 28-33
MCHC (g/dL) 32-35 32-36
RDW-SD (fL) 40-50 37-47
RDW-CV (%) 12-15 12-15
Platelet (bill/L) 150-400 150-400


Please see Pediatric Reference Ranges.

Test Methodology

Grosse Pointe: SYSMEX XN Series.
Farmington Hills, Royal Oak & Troy: SYSMEX XE Series.

Clinical Utility

This assay measures the hematologic parameters of the blood. It aids in the evaluation of anemia, leukemia, reaction to inflammation and infections, peripheral blood cell characteristics, state of hydration and dehydration, polycythemia, hemolytic disease of the newborn, and ABO incompatibilities.

CPT Codes

85027

Contacts

Last Updated

5/19/2022

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