C5 Complement Antigen C5

Synonyms

Allscripts (AEHR) Order Name

C5 Complement, Serum

Sunrise Clinical Manager (SCM) Order Name

C5 Complement, Serum

Clinical Info

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

Specimen Type

Blood

Container

Gold Top Tube

Collection Instructions

Container/Tube: Red top or Gold Top Tube
Specimen: 1 mL serum ( 0.5 mL min)
Transport Temperature: Refrigerated
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 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.

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

Result Interpretation

10.6-26.3 mg/dL

Forms