# Fluid biomarkers

Source: https://onco.cc/fronts/da-front-fluid-biomarkers/  
OnCo record `da-front-fluid-biomarkers` (Front). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)"; commercial use needs a licence.

## TL;DR

Spinal-fluid and blood tests that can support an Alzheimer’s biology question.

## Summary

Cerebrospinal fluid amyloid and tau are established in specialist clinics. Blood tests are moving fast and may triage who needs PET or lumbar puncture. They are not a diagnosis from a consumer kit.

## Fields

- Kind: Front
- Last checked: 2026-09-21
- Tags: dementia-atlas

## Sources

- NIA: https://www.nia.nih.gov/health/alzheimers-and-dementia

## Connected records

- technologies: [Blood Alzheimer biomarkers](https://onco.cc/technologies/da-tech-blood-biomarkers/), [CSF amyloid and tau](https://onco.cc/technologies/da-tech-csf-biomarkers/)
- diagnoses: [Alzheimer’s disease](https://onco.cc/diagnoses/alzheimers-disease/)

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