Test Name: COMPLETE BLOOD COUNT (CBC) WITH DIFFERENTIAL
Test Code: 2180036
Alias: CBC w/Diff
LAB293
CPT Code(s): 85007   85025  
Test Includes: WBC, RBC, Hemoglobin, Hematocrit, MCV, MCH, MCHC, Platelet Count, RDW-CV and Differential (Absolute and Percent - Neutrophils, Lymphocytes, Monocytes, Eosinophils, Basophils and Immature Granulocytes).
Preferred Specimen:

4.0 mL whole blood

Container:

EDTA (lavender)

Minimum Volume:

1.0 mL whole blood
0.25 mL whole blood EDTA (lavender) microtainer
This volume does not allow for repeat testing.

Collection Instructions: Invert tube 5 to 10 times immediately after filling.
Transport Temperature:

Refrigerated

Stability:

Room Temperature: 24 hours
Refrigerated: 48 hours

Updated 2/1/2019

Rejection Criteria:

Hemolysis
Clotted 

Additional Information:

A Blood Smear Exam will be performed when any CBC parameter falls outside predetermined ranges. A peripheral smear is reviewed by a technologist when flags are generated by the hematology analyzer. If upon review, the technologist finds abnormal WBCs or abnormal RBC morphology, a manual differential is performed.

Schedule: Set up: Daily; Results in 24 hours
Method:

Automated cell counter with mixed technologies

Clinical Significance:

A complete blood count is used as a screening test to evaluate overall health and detect a wide range of disorders, including anemia, leukemia and inflammatory processes.  It is also used to assist in managing medications and chemotherapeutic decisions.

Use: Updated 2/28/22

The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.

Test Type:

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LOCATION ADDRESS

2635 Church Road, Suite 101|Aurora, IL 60502

Telephone: 630.315.6900|Fax: 630.315.6918

TTY: 711

HOURS OF OPERATION

7:30 am to 4:30 pm

Open daily; closed on holidays

This location is part of Northwestern Medicine, and staff members are able to access electronic medical records.