LOINCActiveBoth

LOINC Code 27054-6: Morphine Free (CSF) [Mass/Vol]

27054-6 is a LOINC code used to identify Morphine Free (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 Morphine.free. It is commonly used with the system or sample type CSF.

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 Morphine.free. 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

  • Morphine Free [Mass/volume] in Cerebral spinal fluid
  • Morphine.free
  • c260; Cerebral spinal fluid; Cerebrospinal Fl; DRUG/TOXICOLOGY; Drugs; FR; Level; Mass concentration; Morphine Free; Morphine sulfate; MS; MSO4; Non-protein bound; OMPH; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; unconjugated morphine

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

Morphine Free (CSF) [Mass/Vol]Morphine Free [Mass/volume] in Cerebral spinal fluidMorphine Free CSF-mCncMorphine.freeDRUG/TOXFree morphine, Spinal fluidMCnc

Frequently asked questions

Code details

Code27054-6
SystemLOINC
Display nameMorphine Free (CSF) [Mass/Vol]
DescriptionMorphine.free
Short nameMorphine Free CSF-mCnc
ComponentMorphine.free
PropertyMCnc
TimingPt
System (specimen)CSF
ScaleQn
ClassDRUG/TOX
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.70

Consumer names

Free morphine, Spinal fluid

Part names

Morphine.freeMCncPtCSFQnMorphine FreeMass 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 27054-6 | HealthAssure