Complement C9 Functional
Test Mnemonic
C9FUN
CPT Codes
- 86161 - QTY (1)
LOINC ®
In Process
Performing Laboratory
Mayo Clinic Dpt of Lab Med & Pathology
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | No additive (Red) | Place specimen on ice after draw. | Frozen | Patient should be fasting. Do not use serum separator tubes. Separate serum from cells and freeze immediately. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Frozen | 14 days |
| Ambient | Unacceptable |
| Refrigerated | Unacceptable |
Days Performed
Mon - Sat
Turnaround Time
2 - 4 days
Methodology
| Name | Description |
|---|---|
| Turbidimetry (TURB) |
Reference Range
| Complement C9 Functional | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | 37 - 61 | U/mL |
Special Info
Patient should be fasting. Place specimen on ice after draw. Do not use serum separator tubes. Remove serum from cells ASAP and freeze.
Clinical Info
Absent (or low) C9 functional levels in the presence of normal C9 antigen levels should be replicated with a new serum specimen to confirm that C9 inactivation did not occur during shipping.