C7 – “C7 Complement” replaced by C7FX – “C7 Complement, Functional, Serum”

Back to Test Updates

Inactivated/Replace Test

Effective Date

10/24/2023

Included in Report

WML Test Directory Update | October 2023

Replacement Test

C7 COMPLEMENT, FUNCTIONAL, SERUM

Notes

Quest SJC #34888
moving to Mayo #C7FX

Inactivated Test Details

Mnemonic

C7

Ordering Code

3501010

CPT-4 Codes(s)

86160

Replacement Test Details

Mnemonic

C7FX

Ordering Code

3800334

CPT-4 Codes(s)

86161

Turnaround Time
4 - 6 days
Performed
Monday - Friday
Legacy Code
C7FX
Example Report
Download

Specimen Information

Patient Preparation

Fasting prior to draw preferred.

Collect

Red top

Specimen Preparation

Place tube on wet ice immediately after collection. Centrifuge, separate serum from clot and send 1.0 mL serum in a screw capped plastic vial. CRITICAL FROZEN.

Minimum Volume

0.5 mL

Transport Temperature

CRITICAL FROZEN

Rejection Criteria

Non frozen specimens; gross lipemia

Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 14 days

Methodology

Automated Liposome Lysis Assay
more

Reference Range

36 - 60 U/mL
more

Performing Laboratory

MAYO
more

Interface Map for C7FX

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
C7 Complement, Functional, Serum3800334
3800334C7 Complement, Functional, Serum87724-1No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

Need Help?

We can help you find the right test or let you know if we have a fulfillment partner.

Contact Us