Lab Reference Library / DUTCH Test (Dried Urine Hormone Panel) Advanced & Specialty

DUTCH Test (Dried Urine Hormone Panel)

Name: DUTCH Test: Comprehensive Hormone Metabolite Interpretation | The Lamkin Clinic
Creator: Brian Lamkin, DO

DUTCH Test · Dried Urine for Comprehensive Hormones · Urinary Hormone Metabolites

Reference range, optimal functional medicine levels, and why the DUTCH test reveals estrogen metabolism pathways (2-OH vs 16-OH ratios), cortisol production and clearance rates, androgen metabolites, and melatonin that a single serum hormone panel cannot capture, making it the most comprehensive available hormone assessment.

Comprehensive Hormone PanelSpecialty Testing

Sample TypeDried Urine

Hormones Measured30+

MetabolitesYes

Pathway RatiosYes

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Category: Advanced & Specialty | Also known as: Dried Urine Test for Comprehensive Hormones, Complete Hormone Panel | Sample: Dried urine (4 timed collection spots over the day, at-home collection kit)

1. What This Test Measures

The DUTCH (Dried Urine Test for Comprehensive Hormones) test is a comprehensive hormone metabolite assessment using dried urine samples collected at four timed points throughout the day. Unlike serum hormone tests that capture a single moment, the DUTCH test measures the metabolized end products of hormone activity, providing a picture of total hormone production, metabolism, and clearance rather than just circulating levels at the time of the draw.

The DUTCH test measures: sex hormones and their metabolites (estrogens including E1, E2, E3, and their 2-OH, 4-OH, and 16-OH pathways; androgens including testosterone, DHEA, and androsterone; progesterone metabolites); adrenal hormones including cortisol, cortisone, and free cortisol across the diurnal cycle; the cortisol awakening response (CAR); melatonin; and organic acid markers including neurotransmitter metabolites (HVA, VMA, 5-HIAA) and nutritional cofactors (B12 and B6 markers).

The dried urine format is critical to the test's value: it allows collection across the full day including cortisol at awakening (cortisol awakening response)^[7], which cannot be captured with a single morning blood draw. The CAR is the sharpest rise in cortisol in the 30 to 60 minutes after waking and is a clinically important measure of HPA axis resilience and immune function.

2. Key Markers and Clinical Interpretation

Marker Category	What It Reveals	Clinical Significance
Estrogen metabolites (2-OH, 4-OH, 16-OH)	Estrogen detoxification pathway distribution	2-OH protective; 4-OH genotoxic; 16-OH proliferative; ratio guides cancer risk assessment
Cortisol awakening response (CAR)	HPA axis morning resilience	Blunted CAR associated with burnout, depression, immune suppression; exaggerated CAR with anxiety
Diurnal cortisol pattern (4 points)	Full-day cortisol rhythm	Flattening of diurnal curve is a hallmark of HPA dysregulation; elevated evening cortisol disrupts sleep
DHEA and metabolites	Adrenal androgen production	DHEA/cortisol ratio reflects adrenal reserve and stress adaptation capacity
Progesterone metabolites (a-pregnanediol)	Actual progesterone production	Serum progesterone on bioidentical therapy may be elevated; metabolites confirm tissue utilization
Testosterone and metabolites	Androgen production and DHT conversion	Androstanediol reveals 5-alpha reductase activity; androsterone reflects total androgen burden
Melatonin (a-MT6s)	Nighttime melatonin production	Low melatonin associated with poor sleep quality, increased cancer risk; guides supplementation
Neurotransmitter metabolites (HVA, VMA, 5-HIAA)	Dopamine, norepinephrine, serotonin turnover	Guides neurotransmitter support strategies; assesses catecholamine and indole metabolism

3. Estrogen Metabolism Pathways: The Critical Detail

One of the most clinically valuable features of the DUTCH test is its ability to characterize estrogen metabolite distribution across three detoxification pathways^[2]^[3], a capability not available from serum estrogen levels alone.

The Three Estrogen Pathways

2-OH pathway (favorable): produces 2-hydroxyestrone (2-OH E1), a weak estrogen with anti-proliferative and antioxidant properties; this is the protective pathway; higher 2-OH relative to 16-OH is associated with lower breast and endometrial cancer risk
4-OH pathway (genotoxic): produces 4-hydroxyestrone (4-OH E1), which can form DNA adducts and cause direct mutagenic damage; elevated 4-OH relative to 2-OH is associated with cancer risk; this pathway is upregulated by environmental estrogen exposures and some genetic variants
16-OH pathway (proliferative): produces 16-alpha-hydroxyestrone (16-OH E1), a potent, long-acting estrogen; associated with increased proliferative activity; elevated 16-OH relative to 2-OH is associated with increased estrogen-sensitive cancer risk

Supporting the 2-OH Pathway

DIM (diindolylmethane, 200 to 400mg daily): derived from cruciferous vegetables; most evidence-based intervention for shifting estrogen metabolism toward the 2-OH pathway; upregulates CYP1A2 activity
Cruciferous vegetables (broccoli, cauliflower, Brussels sprouts, kale): contain I3C which converts to DIM; aim for 1 to 2 cups daily
Methylation support (methylfolate, methylcobalamin, B6): COMT enzyme methylates catechol estrogens into less reactive metabolites; methylation capacity determines whether 4-OH estrogens are safely cleared or accumulate
Calcium D-glucarate (500 to 1,000mg daily): inhibits beta-glucuronidase, the enzyme that deconjugates estrogens in the gut; prevents enterohepatic recirculation of estrogens back into the bloodstream

4. The Cortisol Awakening Response

The cortisol awakening response (CAR) is the 50 to 100% rise in cortisol that occurs in the first 30 to 60 minutes after waking. This is one of the most reproducible and clinically^[4]^[5] informative features of HPA axis function and is only measurable with multiple timed collections, making the DUTCH format essential for its assessment.

Normal CAR (50 to 100% rise): indicates robust HPA axis resilience; associated with psychological well-being, immune competence, and appropriate stress responsiveness
Blunted CAR (below 50% rise): associated with burnout, depression, immune suppression, chronic fatigue, and reduced stress resilience; characteristic of the late-stage HPA hypoactivation pattern
Exaggerated CAR (above 100% rise): associated with anxiety disorders, anticipatory stress, and early HPA hyperactivation; may progress to blunted CAR with prolonged stress
Absent CAR (flat morning cortisol): significant HPA axis attenuation; requires evaluation for central adrenal insufficiency and cosyntropin stimulation testing if clinically indicated

5. Who Benefits Most from DUTCH Testing

Perimenopausal and postmenopausal women: DUTCH maps the full estrogen transition, identifies metabolic pathway distribution, and guides hormone therapy decisions with far more precision than serum estrogen alone
Women on hormone therapy: DUTCH metabolites confirm whether exogenous hormones are being absorbed, metabolized, and cleared appropriately; particularly valuable for topical progesterone monitoring where serum levels do not accurately reflect tissue delivery
HPA axis dysregulation: fatigue, burnout, poor stress tolerance, insomnia, and cortisol-related weight gain are all characterized by DUTCH's multi-point cortisol and CAR assessment
Estrogen-dominant symptoms: PMS, heavy periods, fibrocystic breasts, fibroids, and endometriosis are associated with relative estrogen excess and/or unfavorable estrogen metabolism; DUTCH identifies the specific imbalance
Androgen excess or deficiency: PCOS, female hair loss, acne, and libido complaints benefit from comprehensive androgen metabolite profiling beyond serum testosterone alone

6. How to Optimize DUTCH Results

Estrogen Metabolism

DIM or I3C (200 to 400mg daily): shifts metabolism toward 2-OH pathway; first-line intervention for 4-OH or 16-OH dominance
Methylation support: methylfolate (400 to 800mcg), methylcobalamin (1,000mcg), B6 (25 to 50mg P5P form); COMT enzyme requires these cofactors to clear catechol estrogens
Calcium D-glucarate (500 to 1,000mg daily): reduces enterohepatic recirculation of estrogens
Cruciferous vegetables daily; eliminate alcohol (directly impairs hepatic estrogen clearance)
Optimize liver function: ALT and GGT below optimal levels; fatty liver significantly impairs first-pass estrogen metabolism

HPA Axis and Cortisol

Sleep restoration: 7 to 9 hours; consistent wake time (the CAR is entrained to a regular wake time)
Phosphatidylserine (400 to 800mg daily): reduces ACTH/cortisol response to stress; normalizes elevated diurnal cortisol; most evidence-based cortisol-modulating supplement
Ashwagandha KSM-66 (300 to 600mg daily): reduces cortisol by 20 to 30% in stressed populations in multiple RCTs
Rhodiola rosea (200 to 400mg morning): supports CAR normalization; reduces morning fatigue
Magnesium glycinate (300 to 500mg at bedtime): reduces nocturnal cortisol elevation and improves sleep architecture

Androgen and Melatonin

DHEA supplementation (when DHEA metabolites are low): start 10 to 25mg daily; monitor urine DHEA and testosterone metabolites on repeat DUTCH
Zinc (30mg daily): inhibits 5-alpha reductase, reducing DHT conversion; important when androsterone and androsterone metabolites are elevated in androgen-excess patterns
Saw palmetto: additional 5-alpha reductase inhibition for clinical androgen excess
Melatonin (0.5 to 3mg at bedtime when MT6s is low): normalize circadian signaling; start low (0.5mg) to avoid suppression of endogenous production
Complete darkness during sleep: remove all light sources; even dim light suppresses melatonin production during sleep; blue light elimination before bed

7. Related Lab Tests

CortisolDUTCH Provides 4-Point Cortisol + CAR

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DHEA-SSerum DHEA as Companion Marker

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EstradiolSerum E2 Paired with DUTCH Metabolites

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ProgesteroneMetabolites Confirm Tissue Delivery

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ACTHHPA Axis Driver Paired with DUTCH Cortisol

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8. Clinical Perspective

Clinical Perspective

The DUTCH test changed how I manage female hormone complaints and burnout simultaneously, because it does something a serum hormone panel simply cannot do: it tells me how the hormones are being used and metabolized, not just how much is circulating at 8 AM. When I see a perimenopausal woman on bioidentical progesterone whose serum progesterone looks fine but whose symptoms are unchanged, the DUTCH often shows that the progesterone metabolites are low, meaning the topical delivery is not achieving adequate tissue conversion. When I see a stressed executive with fatigue and insomnia, the DUTCH shows me whether her cortisol is still hyperactivated with a robust CAR or whether the CAR has already flattened, which tells me whether we are at HPA hyperactivation or burnout, and those require opposite interventions. That level of precision is exactly what functional medicine needs to produce consistent clinical outcomes.

Brian Lamkin, DO | Founder, The Lamkin Clinic | Edmond, Oklahoma

9. Frequently Asked Questions

What is the DUTCH test and why is it better than blood testing for hormones?

The DUTCH test measures hormone metabolites in dried urine, providing information about total hormone production, metabolism, and clearance that serum testing cannot.^[6]^[7] Blood tests measure hormones at a single time point; DUTCH captures the full diurnal cortisol pattern including the cortisol awakening response. For progesterone on topical delivery, serum levels are unreliable and metabolites from DUTCH accurately reflect tissue delivery.

Who should get a DUTCH test?

The DUTCH test is most valuable for perimenopausal and postmenopausal women evaluating hormone balance, women on hormone therapy (to confirm absorption and metabolism), patients with HPA axis dysregulation (fatigue, burnout, insomnia, cortisol-related weight gain), women with estrogen-dominant symptoms (PMS, fibroids, endometriosis), and anyone with androgen excess or deficiency complaints where comprehensive metabolite profiling adds clinical value beyond serum testing.

What are estrogen metabolites and why do they matter?

Estrogen is metabolized through three pathways producing 2-OH, 4-OH, and 16-OH estrogen metabolites. The 2-OH pathway is protective and anti-proliferative^[2]^[3]; the 4-OH pathway produces potentially genotoxic metabolites; the 16-OH pathway produces proliferative metabolites associated with estrogen-sensitive tissue growth. The distribution across these pathways is clinically significant for cancer risk assessment and cannot be inferred from serum estrogen levels alone.

What is the cortisol awakening response?

The cortisol awakening response (CAR) is the 50 to 100% rise in cortisol that normally occurs in the first 30 to 60 minutes after waking. It reflects HPA axis resilience and anticipatory stress response capacity. A blunted CAR is associated with burnout, depression, chronic fatigue, and immune suppression. An exaggerated CAR is associated with anxiety and early HPA hyperactivation. The CAR is only measurable with timed collections at waking, 30 minutes, and 60 minutes after waking.

How do I collect the DUTCH test?

DUTCH collection involves saturating small filter paper collection strips with urine at four timed points: waking, 2 hours after waking, late afternoon (around 5 PM), and bedtime. Each strip is air-dried for 24 hours then returned to the laboratory. The at-home collection format allows the cortisol awakening response to be captured accurately in real-life conditions without the stress of a clinical blood draw affecting results.

Content authored and clinically reviewed by Brian Lamkin, DO, founder of The Lamkin Clinic in Edmond, Oklahoma. Brian Lamkin, DO has 25+ years of experience in functional and regenerative medicine. This page reflects current functional medicine practice standards and is updated as new clinical evidence becomes available.

Serum hormone levels tell you what is circulating. The DUTCH tells you what the body is doing with it.

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References and Further Reading

Medical Disclaimer: This content is provided for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Lab interpretation should always be performed in clinical context by a qualified healthcare provider. Reference ranges and optimal targets may vary based on individual patient history, clinical presentation, and laboratory methodology. Schedule a consultation to discuss your specific results with Dr. Lamkin.