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C1q Level (C1Q)

Clinical System Name

C1q Level

Synonyms

Acquired Angioedema

Radial Immuno Assay

Angioedema

C1q Non-Binding

Hereditary Angioedema

Complement

C1q Antigen

 

Sample Requirements

Specimen: Whole blood

Container(s): Lavender/EDTA

Preferred Vol: 2 mL

Minimum Vol: 1 mL

 

Note: Lavender/EDTA is the only acceptable sample type.

Processing Instructions

Reject due to: Thawed specimen

Spin: Y

Aliquot: Y

Temp: -70

Storage location: CPA -70 Freezer, Send Outs rack

 

Note: Spin sample at room temp within one half hour of collection and freeze immediately.

 

Off-site collection: Spin sample at room temp within one half hour of collection and freeze immediately. Transport frozen EDTA plasma to SCH Main Lab.

Stability

Specimen Type Temperature Time
  Room temp N
  Refrigerated N
  Frozen 1 y

 

Availability

STAT Performed TAT
  Varies 4 w

 

Performing Laboratory

National Jewish Health

Complement Laboratory

1400 Jackson Street, Room D411

Denver, CO 80206

 

Phone: (800) 550-6227

Department

Department: Send Outs

Phone Number: (206) 987-2563

Reference Range

Human Male: 83-125 mcg/mL

Human Female: 83-125 mcg/mL

Methodology

Method: Radial Immunodiffusion (RID)

Analytical Volume: 250 mcL

Limitations:

CPT Codes

86160

Send Out Instructions

Reference Test Name C1q Level
Reference Test Number C1Q
Instructions Send frozen plasma Priority Overnight via FedEx and in a well insulated container on dry ice. NJH Complement Laboratory does not accept Saturday deliveries.