Davis's Lab & Diagnostic Tests
Luteinizing Hormone
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General
Synonym/Acronym:
LH, luteotropin, interstitial cell–stimulating hormone (ICSH).
Rationale
To assess gonadal function related to fertility issues and response to therapy.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Electrochemiluminescent Immunoassay.
| Concentration by Gender and by Phase (in Females) | Conventional and SI Units |
|---|---|
| Male | |
| 1 mo–1 yr | Less than 0.5 international units/mL |
| 2–10 yr | Less than 0.7 international units/mL |
| 11 yr–Adult | Less than 9 international units/mL |
| Adult | 1.2–9.6 international units/mL |
| Female | |
| 1 mo–6 yr | Less than 0.5 international units/mL |
| 2–10 yr | Less than 0.7 international units/mL |
| 11 yr–Adult | Less than 26 international units/mL |
| Phase in Females | |
| Follicular | 1.7–15 international units/mL |
| Ovulatory | 14–96 international units/mL |
| Luteal | 1–11 international units/mL |
| Postmenopausal | 8–58 international units/mL |
Critical Findings and Potential Interventions
N/A
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General
Synonym/Acronym:
LH, luteotropin, interstitial cell–stimulating hormone (ICSH).
Rationale
To assess gonadal function related to fertility issues and response to therapy.
Patient Preparation
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Normal Findings
Method: Electrochemiluminescent Immunoassay.
| Concentration by Gender and by Phase (in Females) | Conventional and SI Units |
|---|---|
| Male | |
| 1 mo–1 yr | Less than 0.5 international units/mL |
| 2–10 yr | Less than 0.7 international units/mL |
| 11 yr–Adult | Less than 9 international units/mL |
| Adult | 1.2–9.6 international units/mL |
| Female | |
| 1 mo–6 yr | Less than 0.5 international units/mL |
| 2–10 yr | Less than 0.7 international units/mL |
| 11 yr–Adult | Less than 26 international units/mL |
| Phase in Females | |
| Follicular | 1.7–15 international units/mL |
| Ovulatory | 14–96 international units/mL |
| Luteal | 1–11 international units/mL |
| Postmenopausal | 8–58 international units/mL |
Critical Findings and Potential Interventions
N/A
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