What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCObservation

LOINC Code 13366-0: Alpha aminoadipate (CSF) [Mass/Vol]

Name: LOINC Code 13366-0: Alpha aminoadipate (CSF) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

13366-0 is a LOINC code used to identify Alpha aminoadipate (CSF) [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 Alpha aminoadipate. It is commonly used with the system or sample type CSF.

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 Alpha aminoadipate. It is commonly used with the system or sample type CSF.

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: DISCOURAGED
Order vs observation: Observation

What it does not mean

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

Key facts

Alpha aminoadipate [Mass/volume] in Cerebral spinal fluid
Alpha aminoadipate
2-aminoadipate; 2-aminoadipic acid; AAA; AAD; Alfa; Alpha aminoadipic acid; Aminoadipic acid; Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; Level; Mass concentration; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Alpha aminoadipate (CSF) [Mass/Vol] (13366-0)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Alpha aminoadipate (CSF) [Mass/Vol]Alpha aminoadipate [Mass/volume] in Cerebral spinal fluidAAA CSF-mCncAlpha aminoadipateCHEMAlpha aminoadipate, Spinal fluidMCnc

Frequently asked questions

Code details

Code13366-0

SystemLOINC

Display nameAlpha aminoadipate (CSF) [Mass/Vol]

DescriptionAlpha aminoadipate

Short nameAAA CSF-mCnc

ComponentAlpha aminoadipate

PropertyMCnc

TimingPt

System (specimen)CSF

ScaleQn

ClassCHEM

StatusDISCOURAGED

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0j-a

Last changed2.44

Consumer names

Alpha aminoadipate, Spinal fluid

Part names

Alpha aminoadipateMCncPtCSFQnMass ConcentrationPoint in time (spot)Cerebral spinal fluid

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.