LH, Pediatrics
Test code
CPT code(s)*
Test resources
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Details
Methodology
Immunoassay (IA)
Assay category
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Alternative name(s)
LH, Ultrasensitive,LH, 3rd Generation
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 0.5 mL frozen serum |
| Minimum volume | 0.3 mL |
| Collection instructions | Collect blood specimens in red-top tube (no gel) or serum separator tube (plastic) and separate the serum immediately. Sample may be drawn in a serum separator red-top glass tube, but not submitted in this tube. Freeze immediately and submit to laboratory frozen. |
| Transport container | Transport tube |
| Transport temperature | Frozen |
| Specimen stability | Room temperature: Unacceptable Refrigerated: Unacceptable Frozen: 28 days |
| Reject criteria | Hemolysis • Icteric • Glass tubes |
Reference Range(s)
| Age | Males (mIU/mL) | Females (mIU/mL) | |
| 0-2 Years | Not established | Not established | |
| 3-7 Years | ≤0.26 | ≤0.26 | |
| 8-9 Years | ≤0.46 | ≤0.69 | |
| 10-11 Years | ≤3.13 | ≤4.38 | |
| 12-14 Years | 0.23-4.41 | 0.04-10.80 | |
| 15-17 Years | 0.29-4.77 | 0.97-14.70 | |
| Tanner Stages | Males (mIU/mL) | Females (mIU/mL) | |
| I | ≤0.52 | ≤0.15 | |
| II | ≤1.76 | ≤2.91 | |
| III | ≤4.06 | ≤7.01 | |
| IV-V | 0.06-4.77 | 0.10-14.70 | |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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