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Luteinizing Hormone (by ECL) 黃體生成激素

R040

Specimen Required

3 mL Pl (1 mL serum)

Schedule

Monday-Saturday

Specimen Stability

Ambient:

5 days

Refrigerated:

14 days

Frozen:

1 month

Reference Interval

Females, adult
Follicular phase	2.4 - 12.6 IU/L
Ovulation phase	14.0 - 95.6 IU/L
Luteal phase	1.0 - 11.4 IU/L
Postmenopausal	7.7 - 58.5 IU/L
Males, adult	1.7 - 8.6 IU/L

Reference Notes and Guidelines

Falsely decreased results may be seen in patients on high doses of biotin (i.e. > 5mg/day). Samples should only be collected from these patients at least 8 hours following the last biotin administration so as to avoid potential interference.

Source: Roche cobas LH package insert: ref. 11732234 (2017-06), V20.0

7/26/2026 12:15:16 PM