Biomarker reference

Homocysteine

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

Metadata

CodeHOMOCYSTEINE

Unitµmol/L

CategoryCardiovascular

SubcategoryAmino Acid

Name (Russian)Гомоцистеин

Reference Ranges

Range type	Value
Male reference	5–15 µmol/L
Female reference	5–12 µmol/L
Optimal	5–12 µmol/L

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

LowGenerally favorable

OptimalAdequate B-vitamin status, low vascular inflammation

HighElevated CVD risk, possible B-vitamin deficiency (B6, B12, folate). Associated with endothelial damage and thrombosis.

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.