AFP, Serum (Tumor Marker)
Test Mnemonic
AFP
CPT Codes
- 82105 - QTY (1)
LOINC ®
1834-1
Aliases
- Alpha Fetoprotein, Serum
Includes
- AFP, Tumor Marker Centaur XP
- AFP, Tumor Marker DxI
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | Red Plain | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | 7 days |
| Refrigerated | 14 days |
| Frozen | 30 days |
Days Performed
Sun - Sat
Turnaround Time
1 day
Methodology
| Name | Description |
|---|---|
| Chemiluminescence Immunoassay (CLIA) | |
| Immunoenzymatic Assay |
Reference Range
| AFP, Serum (Tumor Marker) Centaur XP | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | < 11.0 | ng/mL | |||
| AFP, Serum (Tumor Marker) DxI | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | <9.00 | ng/mL |
Special Info
The Alpha-Fetoprotein test was performed using the Siemens Centaur XP chemiluminometric immunoassay method and the Beckman Unicel DxI immunoenzymatic assay. Results obtained with different assay methods or kits cannot be used interchangeably. For the sake of consistency in patient management purposes, parallel testing will occur for a period of 12 weeks to generate a new baseline for individual patients.
Clinical Info
The test is intended for follow up of patients undergoing treatment for hepatocellular carcinoma or testicular or ovarian cancers, among others.
Clinical Limitation
This test is not to be used for maternal screening.