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Test Code C1 C 1 Complement

Clinical System Name

C1 Complement


C1 Complement
Complement C 1

Sample Requirements

Specimen: Whole blood

Container(s): Gold SST or Red or Gold Microtainer

Preferred Vol: 2.0 mL

Minimum Vol: 1 mL


Note: Serum must be frozen within three hours of collection.

Processing Instructions

Reject due to

Spin: Y

Aliquot: Y

Temp: -70 C

Storage location: Serum must be frozen within 3 hour of blood draw. Spin blood, freeze 0.5 mL serum in a plastic tube affixed with a large computer label. Freeze in the CPA -70° C freezer Send Outs rack.


Off-site collection: Spin, aliquot & freeze serum within one hour of blood draw. Transport frozen.


Specimen Type Temperature Time
  Room temp  



STAT Performed TAT
N Collected daily; set up T & F 3 -5 d


Performing Laboratory

University of Washington

Dept of Laboratory Medicine

1959 NE Pacific St, NW220
Seattle, WA 98195


Phone Number: (206) 520-4600


Department: Send Outs

Phone Number: (206) 987-2563



Reference Range

12 - 25 mG/dL



Method: None Radial Immunodiffusion

Analytical Volume: 100 uL


CPT Codes


Send Out Instructions


Reference Test Name: Complement C1
Reference Test Number: C1
Instructions: Send out M thru F with the UW courier. Ship frozen. Keep a copy of the Batch Sheet for our records.