LOINCActiveBoth

LOINC Code 35569-3: Oligoclonal bands [#]

35569-3 is a LOINC code used to identify Oligoclonal bands [#] 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 Protein fractions.oligoclonal bands. It is commonly used with the system or sample type Ser/Plas.

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 Protein fractions.oligoclonal bands. It is commonly used with the system or sample type Ser/Plas.

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

  • Oligoclonal bands [#] in Serum or Plasma
  • Protein fractions.oligoclonal bands
  • Chemistry; Cnt; Count; Frac; Fract; Fraction; Fractionated; Fractionation; M-spikes; Number; Pl; Plasma; Plsm; Point in time; PR; Prot; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Oligoclonal bands [#]Oligoclonal bands [#] in Serum or PlasmaOligoclonal Bands SerPlProtein fractions.oligoclonal bandsCHEMOligoclonal bands, BloodNum

Frequently asked questions

Code details

Code35569-3
SystemLOINC
Display nameOligoclonal bands [#]
DescriptionProtein fractions.oligoclonal bands
Short nameOligoclonal Bands SerPl
ComponentProtein fractions.oligoclonal bands
PropertyNum
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.13
Last changed2.73

Consumer names

Oligoclonal bands, Blood

Part names

Protein fractions.oligoclonal bandsNumPtSer/PlasQnNumber (count)Point in time (spot)Serum or Plasma

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 35569-3 | HealthAssure