Nursing Central: Luteinizing Hormone

Luteinizing Hormone

General

Synonym/Acronym:
LH, luteotropin, interstitial cell–stimulating hormone (ICSH).

Common Use:
To assess gonadal function related to fertility issues and response to therapy.

Specimen:
Serum (1 mL) collected in a red- or tiger-top tube. Plasma (1 mL) collected in a green-top (heparin) tube is also acceptable.

Normal Findings:
(Method: Immunoassay)

Concentration by Gender and by Phase (in Females)	Conventional and SI Units
Male
Less than 2 yr	0.5–1.9 international units/mL
2–10 yr	Less than 0.5 international units/mL
11–20 yr	0.5–5.3 international units/mL
Adult	1.2–7.8 international units/mL
Female
Less than 2–10 yr	Less than 0.5 international units/mL
11–20 yr	0.5–9 international units/mL
Phase in Females
Follicular	1.7–15 international units/mL
Ovulatory	21.9–80 international units/mL
Luteal	0.6–16.3 international units/mL
Postmenopausal	14.2–52.3 international units/mL

Luteinizing Hormone has been found in Davis's Lab & Diagnostic Tests

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