Protein C Immunologic
Test Mnemonic
PRCAG
CPT Codes
- 85302 - QTY (1)
LOINC ®
27820-0
Aliases
- Protein C Antigen
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Plasma | Sodium citrate (Lt. Blue) | Frozen |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL |
Days Performed
Mon - Thu
Turnaround Time
1 - 3 days
Methodology
| Name | Description |
|---|---|
| Enzyme-Linked Immunosorbent Assay (ELISA) |
Reference Range
| Protein C Immunologic | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Days | 1 Days | Normal | 19 - 53 | % | 2 Days | 5 Days | Normal | 22 - 63 | % | 6 Days | 30 Days | Normal | 24 - 64 | % | 1 Months | 3 Months | Normal | 31 - 79 | % | 4 Months | 11 Months | Normal | 42- 80 | % | 1 Years | 5 Years | Normal | 45 - 91 | % | 6 Years | 10 Years | Normal | 51 - 92 | % | 11 Years | 16 Years | Normal | 62 - 109 | % | 17 Years | 99 Years | Normal | 73 - 126 | % |
Special Info
Patient preparation: discontinue coumadin therapy for at least 14 days prior to collection. 3.2% sodium citrate is the preferred anticoagulant recommended by CLSI.
Clinical Info
Detection of hypercoagulable states due to congenital or acquired deficiency of Protein C. This is an immunologic assay which detects the amount of Protein C in plasma, and should be not be used as an initial screen for Protein C deficiency. This assay should be used as a follow-up or confirmatory assay when functional protein C is decreased.