Febrile Antibodies
Test Mnemonic
FEBAB
CPT Codes
- 86622 - QTY (1)
- 86757 - QTY (4)
- 86768 - QTY (5)
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2.5 mL | Serum | SST (Gold) | Refrigerated | Separate serum from cells ASAP. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 48 hours |
| Refrigerated | After separation from cells: 2 weeks |
| Frozen | After separation from cells: 1 year |
Days Performed
Mon - Fri
Turnaround Time
3 - 6 days
Methodology
| Name | Description |
|---|---|
| Direct Agglutination (DA) | |
| Immunoblot (IB) | |
| Indirect Immunofluorescence Assay (IFA) |
Reference Range
| Brucella Abs | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | Negative: <1:20 | titer | |||
| R. rickettsii IgG Abs | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | Low Positive: 1:64 - 1:128 | titer | Normal | Negative: <1:64 | titer | Normal | Positive: 1:256 and greater | titer |
| R. rickettsii IgM Abs | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | Negative: <1:64 | titer | Normal | Positive: 1:64 and greater | titer |
| Rickettsia typhus (Typhus Fever) Abs, IgG by IFA | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | Negative: <1:64 | titer | |||
| Rickettsia typhus (Typhus Fever) Abs, IgM by IFA | |||||
| Sex | Age From | Age To | Type | Range | Range Unit |
| Normal | Negative: <1:64 | titer |
Special Info
Separate serum from cells ASAP.