Lutropin

ChemistryAlso known as: LH 24h UrAlso known as: LH 24h Ur IRP1-aCncAlso known as: LH 24h Ur-aCncmIU/mL

Measures luteinizing hormone (LH), a key reproductive hormone from the pituitary gland.

Normal Range
1.7 – 8.6 m[IU]/mL
m[IU]/mL
Abnormal Levels
< 1 mIU/mL
> 9 mIU/mL
Specimen Type
Blood

Why This Biomarker Matters

LH is essential for ovulation and testosterone production. Abnormal levels can indicate fertility problems, hormonal imbalances, or reproductive disorders requiring medical attention.

Understanding Your Results

Normal Range

1.7 – 8.6 m[IU]/mL

Optimal Ranges

Clinician-defined 4-point reference thresholds (mIU/mL)

Default Range

1
2
8
9
Low
1 mIU/mL
Borderline Low
2 mIU/mL
Optimal
8 mIU/mL
Borderline High
9 mIU/mL

male

1
2
8
9
Low
1 mIU/mL
Borderline Low
2 mIU/mL
Optimal
8 mIU/mL
Borderline High
9 mIU/mL

female_luteal

0.5
3
10
15
Low
0.5 mIU/mL
Borderline Low
3 mIU/mL
Optimal
10 mIU/mL
Borderline High
15 mIU/mL

female_mid_cycle

9
9
76
76
Low
9 mIU/mL
Borderline Low
9 mIU/mL
Optimal
76 mIU/mL
Borderline High
76 mIU/mL

female_follicular

1
3
8
12
Low
1 mIU/mL
Borderline Low
3 mIU/mL
Optimal
8 mIU/mL
Borderline High
12 mIU/mL

Overview

Luteinizing hormone (LH), also called lutropin, is produced by the pituitary gland and plays a crucial role in reproductive health. In women, LH surges to trigger ovulation; in men, it stimulates testosterone production. Abnormal LH levels can indicate hormonal imbalances, fertility problems, menopause, hypogonadism, or pituitary disorders. This test is commonly used to evaluate fertility issues, irregular periods, and hormone-related conditions in both sexes.

Research & Evidence

1 publications

Technical Information (LOINC Codes)

Standardized laboratory codes for this biomarker

10501-5Primary
Lutropin [Units/volume] in Serum or Plasma
m[IU]/mL
20419-8
Lutropin [Units/volume] in Serum or Plasma by 1st IRP
m[IU]/mL
15080-5
Lutropin [Units] in 24 hour Urine
/(24.h)
25716-2
Lutropin [Units/volume] in Urine by 1st IRP
[IU]/mL
29156-7
Lutropin [Units/volume] in 24 hour Urine
[IU]/dL
34333-5
Lutropin [Units/volume] in 24 hour Urine by 1st IRP
[IU]/mL
83103-2
Lutropin [Units/volume] in Serum or Plasma by Immunoassay
[IU]/mL
15079-7
Lutropin [Units/volume] in Urine
[IU]/mL

Available Lab Tests

Order tests that measure this biomarker

(FSH & LH) Follicle Stimulating Hormone and Luteinizing Hormone

$34.60
Results in 1-2 business days

LH Test

$19.69
Lutropin: Normal Range, Testing & Clinical Significance | Healos | Healos