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  RDW Specimen Type:
  also known as Red Cell Distribution Width, part of Hemogram

Blood


HEMATOLOGY

Specimen requirements: 3 mL EDTA draw
  or: 3 mL EDTA Hemogard Closure
  or:Lav Fingerstick Microtainer
Reference ranges:
CATEGORY LOW   HIGH   UNITS   QUALITATIVE  
0 - 7 days 14 17   N/A
8 days - 6 months 12 17   N/A
7 months - 6 years 12 16   N/A
7 years - 12 years 12 14   N/A
Adult 12 14   N/A
Unit of measure: Percent (%)
Ideal sample: 3.0 mL
Absolute minimum amount: 0.75 mL
Method of collection: N/A
Transportation: N/A
Label instructions: N/A
The following substances can adversely affect the results: Hemolysis, Cryoglobulins, Agglutinins
Request test on form: MULTI LABS [Chem/Hem/UA/Tox/BB/Rheum] ( 151-104 )
Order/entry screen(s): Common Lab Procedures
  Hematology/Coagulation
Stat frequency: Daily
Stat turn around time: 1 hour
Routine frequency: Daily
Must be in by: N/A
Routine turn around time: 4 Hours
For Hillcrest deliver to: SCRAP : Specimen Central Receiving and
  Processing, room 2-117
For Thornton deliver to: Hematology : Processing Desk, 1st floor,
  Hospital, room 1-013
Scheduling requirements : N/A
Method: Flow Cytometry
Special Instructions: RDW is part of the Hemogram.
  Results are available on a Chart Copy
  Results are Quantitative
SOFT abbreviation: RDW
Secondary code: 7108
Lab Processing Instructions: N/A