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HelpTest Code LH Luteinizing Hormone (LH)
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Plasma/Serum | Lithium Heparin Plasma Separator Tube (PST) | Lithium Heparin Green Top (GTT), Serum Separator Tube (SST), Red Top Tube (RTT) | 1.0 mL | 0.5 mL | 0.3 mL |
Collection/Processing Instructions
GTT/RTT- physically separate plasma or serum from contact with cells as soon as possible or before transport.
Samples collected in a RTT must be removed from clot within one hour for storage or transport.
Samples collected in gel barrier tubes must be removed from the primary tube prior to transporting to Marshfield.
Do not send the primary collection tube.
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma/Serum | Ambient | 8 hours |
| Refrigerated | 2 days | |
| Frozen | 6 months |
Rejection Criteria
Gross hemolysis
Marked Icterus
Interferences
Human Anti-Murine Antibodies (HAMA) may develop leading to test interference in patients receiving murine-based agents for chemotherapy or tumor-imaging studies.
Fluorescein will interfere; specimens should not be drawn for 48 hours following fluorescein angiography for diabetic retinopathy.
Reference Range Information
| Performing Location | Reference Range | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Marshfield |
|
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Marshfield Labs Performing Department
Marshfield Labs Chemistry
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Friday | Less than 2 hours | Immunoenzymatic assay/ Beckman Coulter Unicel DXI |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83002 |
Outreach CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 83002 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | Luteinizing Hormone |