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Biomarker reference

Testosterone, Total

Biomarker Reference Sheet — research tool, not FDA-cleared. Ranges under citation review.

Metadata

CodeTESTO
Unitng/dL
CategoryHormones
Subcategory—
Name (Russian)Тестостерон общий

Reference Ranges

Range typeValue
Male reference264–916 ng/dL
Female reference15–70 ng/dL
OptimalOptimal range not yet defined

Sex-specific reference ranges from the registry. Generic reference_range column is not used.

Provenance

Source documentation pending — reference ranges are under citation review.

Interpretation

LowMay cause fatigue, low libido, muscle loss
OptimalSupports energy, muscle mass, mood

Used in Patterns

Pattern cards in progress for this biomarker category.

Validation Snapshot

NHANES validation pending — no Tier A representative dataset run yet for this biomarker.

HIPAA-aligned design · ZDR active · Anthropic BAA · Pending legal review. Zenlo Labs is a clinical decision support tool intended exclusively for use by licensed healthcare providers — not a substitute for professional medical judgment, and not intended for direct patient use.