Days Set Up
Monday - Saturday
Analytic Time

2 - 4 days

Soft Order Code
MMLR

Test Updated:

Synonyms

First Component of Complement (subunit C1q)
Complement C1Q

+ See More

Looking to order a test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Test Overview

Test Methodology

Automated Liposome Lysis Assay

Test Usage

Diagnosis of C1 deficiency. Investigation of a patient with an absent total complement CH50 level.

Reference Range

34 - 63 unit/mL

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Collection Offsite

A fasting specimen is preferred but not required. Collect blood in a red top tube; do not use SST tube. Immediately place on wet ice. Centrifuge, aliquot serum into a plastic vial and freeze immediately. Hemolytic or thawed specimens are unacceptable.

Yellow Top Tube
Red Top Tube
Normal Volume
1 mL serum
Minimum Volume
0.5 mL serum

Billing Information

CPT Code
86161
Pro Fee Code
 
LOINC
 

Have More Questions?

Explore our helpful billing resources:

Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

LEARN MORE