YNHH Laboratory Manual - Hematology Laboratory Telephoned Results
 

YNHH Laboratory Manual

 [ Table of Contents ]
Hematology Laboratory Telephoned Results

Test/Analyte Call to physician, PA, or nurse Call to physician only
White blood cells (WBC) < 2.5 or >50.0
Hemoglobin (HGB) <8.0 or >20.0
Hematocrit (HCT) <25.0 or >60.0
Platelets (PLT) <50.0 or >1000.0
Granulocytes <500 (or 10% if WBC normal)
Prothrombin time (PT) >24
International normalized PT ratio (INR) >4.0
Partial thromboplastin time (PTT) >60.0
PTT on heparin >100
BACTERIA Present in any sterile body fluid
MALIGNANT CELLS Present in any sterile body fluid
URINE Ketonuria and Glycosuria (3+/4+)

*Except in newborns, which could be slightly higher

**If the lab person calling panic values cannot reach anyone or if the lab feels the person reached does not understand the significance of panic data, the clinical pathology resident will be contacted. It will then be the resident's responsibility to pursue the doctor and discuss the results

Updated: Sep-2007

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