BIOMARKER REFERENCE

Blood Urea Nitrogen

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

Metadata

Code
BUN
Unit
mg/dL
Category
Kidney Panel
Subcategory
Name (Russian)
Мочевина

Reference Ranges

Range typeValue
Male reference7–20 mg/dL
Female reference7–20 mg/dL
Optimal7–20 mg/dL

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

Low
May indicate liver issues or malnutrition
High
May indicate kidney issues or dehydration

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.

github.com/dimashibakov/zenlo-audit

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