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Test Code C7FX C7 Complement, Functional, Serum

Reporting Name

C7 Complement, Functional, S

Useful For

Diagnosis of C7 deficiency

 

Investigation of a patient with an undetectable total complement (CH50) level

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum Red

Specimen Required

Collection Container/Tube: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Immediately after drawing the specimen, place the tube on wet ice.

2. Spin down and separate serum from clot.

3. Immediately freeze specimen.

Additional Information: Fasting preferred.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Frozen 14 days

Reference Values

36-60 U/mL

Day(s) and Time(s) Performed

Monday through Saturday; Continuous with a 3 p.m. cutoff

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

86161

LOINC Code Information

Test ID Test Order Name Order LOINC Value
C7FX C7 Complement, Functional, S 26996-9

 

Result ID Test Result Name Result LOINC Value
C7FX C7 Complement, Functional, S In Process

Method Name

Automated Liposome Lysis Assay