LOINCActiveBoth

LOINC Code 17006-8: IgA subclass 2 (CSF) [Mass/Vol]

17006-8 is a LOINC code used to identify IgA subclass 2 (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 IgA subclass 2. 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 IgA subclass 2. 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: ACTIVE
  • Order vs observation: Both

What it does not mean

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

Key facts

  • IgA subclass 2 [Mass/volume] in Cerebral spinal fluid
  • IgA subclass 2
  • Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; IgA2; II; Immune globulin A; Immunoglobulin A; Level; Mass concentration; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Subclasses

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

IgA subclass 2 (CSF) [Mass/Vol]IgA subclass 2 [Mass/volume] in Cerebral spinal fluidIgA2 CSF-mCncIgA subclass 2CHEMIgA subclass 2, Spinal fluidMCnc

Frequently asked questions

Code details

Code17006-8
SystemLOINC
Display nameIgA subclass 2 (CSF) [Mass/Vol]
DescriptionIgA subclass 2
Short nameIgA2 CSF-mCnc
ComponentIgA subclass 2
PropertyMCnc
TimingPt
System (specimen)CSF
ScaleQn
ClassCHEM
Example unitsmg/dL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.42

Consumer names

IgA subclass 2, Spinal fluid

Part names

IgA subclass 2MCncPtCSFQnMass 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.

LOINC Code 17006-8 | HealthAssure