C5C – “Complement Component C5” replaced by C5AG – “C5 Complement, Antigen, Serum”

Back to Test Updates

Inactivated/Replace Test

Effective Date

10/24/2023

Included in Report

WML Test Directory Update | October 2023

Replacement Test

C5 COMPLEMENT, ANTIGEN, SERUM

Inactivated Test Details

Mnemonic

C5C

Ordering Code

3420120

CPT-4 Codes(s)

86160

Replacement Test Details

Mnemonic

C5AG

Ordering Code

3800333

CPT-4 Codes(s)

86160

Specimen Information

Patient Preparation

Fasting is preferred but not required.

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum separator tube (SST)

Minimum Volume

0.5 mL

Transport Temperature

Frozen

Rejection Criteria

Plasma, Gross lipemia

Stability

Room temperature: 7 days
Refrigerated: 28 days
Frozen: 60 days

Methodology

Nephelometry
more

Reference Range

10.6 - 26.3 mg/dL
more

Performing Laboratory

MAYO
more

Interface Map for C5AG

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
C5 Complement, Antigen, Serum 3800333
3800333 C5 Complement, Antigen, Serum 4505-4 No

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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