Inpatient and Outpatient Orderable

C5 Complement Antigen

Synonyms

  • C5 COMPLEMENT AG
  • C5 COMPLEMENT, SERUM
  • LAB10999

Cerner Name

C5 Complement

Clinical Info

Diagnosis of C5 deficiency
Investigation of a patient with an absent total complement
(CH50) level

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Red Top or Gold Top Tube

Collection Instructions

Container/Tube: Red Top (Preferred) or Gold Top Tube
Specimen: 1 mL serum ( 0.5 mL min)
Patient Preparation: Fasting preferred but not required
Ordering Guidance:
The total complement assay (COM / Complement, Total, Serum) should be used as a screen for suspected complement deficiencies before ordering individual complement component assays. A deficiency of an individual component of the complement cascade will result in an undetectable total complement level.

Specimen Volume

1 mL serum ( 0.5 mL min)

Transport Instructions

Refrigerated

Specimen Stability

7 Days Room Temperature
28 Days Refrigerated
60 Days Frozen
Patient Preparation: Fasting preferred but not required
Ordering Guidance:
The total complement assay (COM / Complement, Total, Serum) should be used as a screen f

Methodology

Nephelometry

Days Performed

Monday, Wednesday, Friday

Performing Laboratory

Mayo Medical Laboratories

CPT

86160
LOINC Code 4505-4

PDM

5902180

Only Orderable at Locations:

Orderable Everywhere

Results
Component Name Base Name Common Name External Name
C5 COMPLEMENT C5COMP C5 COMPLEMENT C5 Complement

Result Interpretation

10.6-26.3 mg/dL

Forms
LAB10999 build edit