LOINCBoth

LOINC Code 10877-9: C0 (U) [Mass/Vol]

10877-9 is a LOINC code used to identify C0 (U) [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 Carnitine.free (C0). It is commonly used with the system or sample type Urine.

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 Carnitine.free (C0). 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: DISCOURAGED
  • Order vs observation: Both

What it does not mean

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

Key facts

  • Carnitine free (C0) [Mass/volume] in Urine
  • Carnitine.free (C0)
  • C0; Carnitine Free; Carnitine.total; Chemistry; FC; FR; Level; Mass concentration; Non-protein bound; Point in time; QNT; Quan; Quant; Quantitative; Random; 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

C0 (U) [Mass/Vol]Carnitine free (C0) [Mass/volume] in UrineCarnitine Free Ur-mCncCarnitine.free (C0)CHEMC0, UrineMCnc

Frequently asked questions

Code details

Code10877-9
SystemLOINC
Display nameC0 (U) [Mass/Vol]
DescriptionCarnitine.free (C0)
Short nameCarnitine Free Ur-mCnc
ComponentCarnitine.free (C0)
PropertyMCnc
TimingPt
System (specimen)Urine
ScaleQn
ClassCHEM
StatusDISCOURAGED
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.73

Consumer names

C0, Urine

Part names

Carnitine.free (C0)MCncPtUrineQnCarnitine free (C0)Mass ConcentrationPoint 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 10877-9 | HealthAssure