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Test Code LAB5050 Complete Blood Count with Manual Differential

Useful For

Evaluation of anemia, leukemia, reaction to inflammation and infections, peripheral blood cellular characteristics, state of hydration and dehydration, polycythemia, hemolytic disease of the newborn and ABO incompatibilities.  If the doctor requests a CBC with a manual diff, a manual differential or slide differential is done by a tech.  All automated flagged differentials will automatically get a manual diff.

Performing Laboratory

Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Asante Ashland Community Hospital / Asante White City Laboratory

 

Performing Department

Hematology

Specimen Required

Lavender top tube

 

Required volume 3.0 ml

Mix specimen 10 times by gentle inversion.

If specimen is not brought to the laboratory within 4-6 hours, refrigeration is required.

Specimen Minimum Volume

1.0 ml

 

Neonatal minimum volume: 0.25 mL whole blood in a lavender microtainer

(BDMap microtainer preferred)

Specimen Stability

Stable refrigerated for 24 hours at 2° to 8° C

Reject Due To

  • Hemolysis
  • Quantity not sufficient (QNS)
  • Lacking Two Patient Identifiers:
    • 1-Patient's First & Last name 
    • 2-Patient's Date of Birth
  • Clotted specimen

Day(s) Performed

Monday through Sunday

Turnaround time:

Routine – 4 hour after receipt of specimen in lab

STAT - 1 hour after receipt of specimen in lab

Method Name

Automated Analyzer Cellular Analysis

Microscopic differential performed on a Wright stained peripheral blood smear.

CPT Code Information

85007  -  Blood count; blood smear, microscopic examination with manual differential WBC count

85027  -  Blood count; complete (CBC), automated (Hgb, Hct, RBC, WBC and platelet count)

Billing Code

2011898, 2011880