Test Directory

Test Code
CBCMD
Test Name
Complete Blood Count (CBC) with Manual Differential
CPT Codes
85007, 85027
Included Tests
  • Hematocrit (HCT)
  • Hemoglobin (HGB)
  • Mean Corpuscular Volume (MCV)
  • Mean Corpuscular Hemoglobin (MCH)
  • Mean Corpuscular Hemoglobin Concentration (MCHC)
  • Red Cell Distribution Width (RDW)
  • Platelet Count (PLT)
  • Mean Platelet Volume (MPV)
  • Red Blood Cell Count (RBC)
  • White Blood Cell Count (WBC)
  • Percent and Absolute Differential
  • Peripheral Smear Review

Reflexed when appropriate:

  • Hematopathologist interpretation when unclassified cells are present.
  • Gram stain confirmation when suspected bacteria or fungi are present.
  • Blood parasite confirmation when suspected organisms are present.
Expected Turnaround Time
1 day
Clinical Utility
Used in the evaluation of infection, anemia, and other hematological disorders.
Specimen and Container Info

Specimen Type: Whole Blood

Preferred Collection Container: Lavender Top (EDTA)

Alternate Collection Container: Microtainer, Lavender Top (EDTA) 

Desired Specimen Volume: 1mL

Alternate Specimen Volume: 0.5mL in Microtainer

Collection Instructions

Invert tube 8 - 10 times immediately after tube is filled at the time of collection.

Transport Instructions

Transport to the laboratory at room temperature within 24 hours, if testing cannot be performed within 24 hours of collection transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

24 hours

Refrigerated

48 hours
Causes for Rejection
  • Clotted specimen
  • Specimen contaminated with IV fluid
  • Quantity not sufficient for testing
Methodology
Automated Analyzer
Reference Intervals
Critical Values
Performing Location
1503 North Cedar Crest Surgery Center, 17th Street Hospital, 2310 Highland Avenue Surgery Center, Carbon Hospital, Cedar Crest Hospital, Cedar Crest Red Lab, Dickson City Hospital, Hazleton Hospital, Hecktown Oaks Hospital, Muhlenberg Hospital, Pocono Hospital, Redeemer Health, Roble Road Core Laboratory, Schuylkill Hospital, Tilghman Street Surgery Center
Alternate Names
  • CBC with Manual Diff
  • Peripheral Smear
  • Manual Differential
Testing Schedule
Routine daily, STAT testing available