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  CH50 Specimen Type:
  also known as Total Serum Complement, Component Activity Enzyme Immunoassay, Total

Blood


RHEUMATOLOGY

Specimen requirements: 7 mL Red Stopper; Plain
Reference ranges:
CATEGORY LOW   HIGH   UNITS   QUALITATIVE  
Low <60 N/A CAE units N/A
Normal 60 144 CAE units N/A
HIGH N/A >144 CAE units N/A
Unit of measure: CAE units
Ideal sample: 7.0 mL frozen serum
Absolute minimum amount: 0.2 mL frozen serum
Method of collection: N/A
Transportation: Specimens MUST be frozen prior to delivery to ARUP.
Label instructions: N/A
Request test on form: "Write in" MULTI LABS [Chem/Hem/UA/Tox/BB/Rheum] ( 151-104 )
Order/entry screen(s):  N/A
Stat frequency: N/A
Stat turn around time: N/A
Routine frequency: Weekdays
Must be in by: N/A
Routine turn around time: Same day, weekdays.  3-5 days
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
This test is sent to : ARUP - Associated Regional & University
Scheduling requirements : N/A
Special Instructions: N/A
  Results are available on a Chart Copy
  Results are Quantitative
CyberLAB abbreviation: CH50
CyberLAB code: 9522
Lab Processing Instructions: Allow to clot for one hour at room temperature. Separate serum from cells ASAP and freeze.