LOINCActiveBoth

LOINC Code 32559-7: Tau protein (S) [Mass/Vol]

32559-7 is a LOINC code used to identify Tau protein (S) [Mass/Vol] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Tau protein. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Tau protein. It is commonly used with the system or sample type Ser.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Tau protein [Mass/volume] in Serum
  • Tau protein
  • Alzheimer disease; Alzheimer's disease; Chemistry; Level; Mass concentration; Point in time; PR; Prot; QNT; Quan; Quant; Quantitative; Random; Serum; SR

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Tau protein (S) [Mass/Vol]Tau protein [Mass/volume] in SerumTau Prot Ser-mCncTau proteinCHEMTau protein, BloodMCnc

Frequently asked questions

Code details

Code32559-7
SystemLOINC
Display nameTau protein (S) [Mass/Vol]
DescriptionTau protein
Short nameTau Prot Ser-mCnc
ComponentTau protein
PropertyMCnc
TimingPt
System (specimen)Ser
ScaleQn
ClassCHEM
Example unitspg/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.08
Last changed2.42

Consumer names

Tau protein, Blood

Part names

Tau proteinMCncPtSerQnMass ConcentrationPoint in time (spot)Serum

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 32559-7 | HealthAssure