LOINCBoth

LOINC Code 26940-7: Myelin basic protein Qn (CSF)

26940-7 is a LOINC code used to identify Myelin basic protein Qn (CSF) 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 Myelin basic protein. 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 Myelin basic protein. 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: Both

What it does not mean

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

Key facts

  • Myelin basic protein [Units/volume] in Cerebral spinal fluid
  • Myelin basic protein
  • Arbitrary concentration; Cerebral spinal fluid; Cerebrospinal Fl; Chemistry; MBP; Neuro; Neurology; Point in time; PR; Prot; 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.

Common synonyms

Myelin basic protein Qn (CSF)Myelin basic protein [Units/volume] in Cerebral spinal fluidMBP CSF-aCncMyelin basic proteinCHEMMyelin basic protein, Spinal fluidACnc

Frequently asked questions

Code details

Code26940-7
SystemLOINC
Display nameMyelin basic protein Qn (CSF)
DescriptionMyelin basic protein
Short nameMBP CSF-aCnc
ComponentMyelin basic protein
PropertyACnc
TimingPt
System (specimen)CSF
ScaleQn
ClassCHEM
StatusDISCOURAGED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Myelin basic protein, Spinal fluid

Part names

Myelin basic proteinACncPtCSFQnArbitrary 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 26940-7 | HealthAssure