LOINCActiveBoth

LOINC Code 101670-8: Protein.monoclonal MS.MALDI-TOF Ql (U)

101670-8 is a LOINC code used to identify Protein.monoclonal MS.MALDI-TOF Ql (U) 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.monoclonal. It is commonly used with the system or sample type Urine.

Reviewed by HealthAssure Clinical TeamUpdated 21 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.monoclonal. It is commonly used with the system or sample type Urine.

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
  • Method: MS.MALDI-TOF

What it does not mean

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

Key facts

  • Protein.monoclonal [Presence] in Urine by MS.MALDI-TOF
  • Protein.monoclonal
  • Identifying monoclonal gammopathies using random urine specimens.
  • Chemistry; M Protein; M-band; Monoclonal band; Monoclonal spike; M-protein; M-spike; Ordinal; Para protein; Paraprotein; Point in time; PR; Prot; QL; Qual; Qualitative; Random; Screen; UA; UR; Urn

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

Protein.monoclonal MS.MALDI-TOF Ql (U)Protein.monoclonal [Presence] in Urine by MS.MALDI-TOFM Protein Ur Ql MS.MALDI-TOFProtein.monoclonalCHEMProtein.monoclonal, UrinePrThr

Frequently asked questions

Code details

Code101670-8
SystemLOINC
Display nameProtein.monoclonal MS.MALDI-TOF Ql (U)
DescriptionProtein.monoclonal
Short nameM Protein Ur Ql MS.MALDI-TOF
ComponentProtein.monoclonal
PropertyPrThr
TimingPt
System (specimen)Urine
ScaleOrd
MethodMS.MALDI-TOF
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.75
Last changed2.75

Consumer names

Protein.monoclonal, Urine

Part names

Protein.monoclonalPrThrPtUrineOrdMS.MALDI-TOFPresence or ThresholdPoint in time (spot)

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 101670-8 | HealthAssure