C8 – “C8 Complement” replaced by C8FX – “C8 Complement, Functional, Serum”

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Inactivated/Replace Test

Effective Date

10/24/2023

Included in Report

WML Test Directory Update | October 2023

Replacement Test

C8 COMPLEMENT, FUNCTIONAL, SERUM

Notes

QSJC # 34889
moving to
Mayo # C8FX

Inactivated Test Details

Mnemonic

C8

Ordering Code

3501020

CPT-4 Codes(s)

86160

Replacement Test Details

Mnemonic

C8FX

Ordering Code

3800336

CPT-4 Codes(s)

86161

Turnaround Time
4 - 6 days
Performed
Monday - Friday
Legacy Code
C8FX
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.

Alternate Specimen

Red top

Minimum Volume

0.5 mL

Transport Temperature

CRITICAL FROZEN

Rejection Criteria

Non frozen specimen; gross lipemia

Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 14 days

Methodology

Automated Liposome Lysis Assay
more

Reference Range

33 - 58 U/mL
more

Performing Laboratory

MAYO
more

Interface Map for C8FX

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
C8 Complement, Functional, Serum3800336
3800336C8 Complement, Functional, Serum50997-6No

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.

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