LOINCActiveBoth

LOINC Code 14349-5: Specific gravity Refractometry (Pleur fld)

14349-5 is a LOINC code used to identify Specific gravity Refractometry (Pleur fld) 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 Observation. It is commonly used with the system or sample type Plr fld.

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 Observation. It is commonly used with the system or sample type Plr fld.

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: Refractometry

What it does not mean

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

Key facts

  • Specific gravity of Pleural fluid by Refractometry
  • Observation
  • Chemistry; Pleural; Pleural fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; Refract; Sp Gr; thoracentesis 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

Specific gravity Refractometry (Pleur fld)Specific gravity of Pleural fluid by RefractometrySp Gr Plr RefractometryObservationCHEMSpecific gravity, Pleural fluidSpGrav

Frequently asked questions

Code details

Code14349-5
SystemLOINC
Display nameSpecific gravity Refractometry (Pleur fld)
DescriptionObservation
Short nameSp Gr Plr Refractometry
ComponentObservation
PropertySpGrav
TimingPt
System (specimen)Plr fld
ScaleQn
MethodRefractometry
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.79

Consumer names

Specific gravity, Pleural fluid

Part names

ObservationSpGravPtPlr fldQnRefractometrySpecific gravityPoint in time (spot)Pleural 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 14349-5 | HealthAssure