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CBC with Diff
Lab code: CBCD
Test Synonyms:
Differential count; CBC with diff; Complete blood count with differential
Core Lab
Inpatient Req:
Core Lab (#84927)  
Outpatient Req:
Clinical Labs (#83608)  
3 ml Lavender
Result Time:
Within 48 hrs   Cost: $$
Reference Interval:
Reported with results
Critical value defined. See MGH Critical Values for details.
Important Information:
The Operations Improvement team for the clinical laboratory recommends that in most non-intensive settings, differentials should only be ordered once every 72 hours.
Purple tube minimum volume 1.0 ml -- invert tube 8-10 times to assure anti-coagulation

Purple microtainer minimum volume 250-500 ul --- Fill microtainer to level between fill lines. Invert 8-10 times to assure anticoagulation.