LOINCActiveBoth

LOINC Code 50017-3: Hemoglobin Ql (Sputum/Gastric fld gastrointestinal)

50017-3 is a LOINC code used to identify Hemoglobin Ql (Sputum/Gastric fld gastrointestinal) 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 Hemoglobin. It is commonly used with the system or sample type Sputum/Gast fld^Patient.gastrointestinal.

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 Hemoglobin. It is commonly used with the system or sample type Sputum/Gast fld^Patient.gastrointestinal.

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

  • Hemoglobin [Presence] in Sputum or Gastric fluid from gastrointestinal
  • Hemoglobin
  • Chemistry; GAST; Gastric contents; Gastric fluid; Haemoglobin; Hb; Hgb; Lower respiratory; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Spt; Sput/Gast; Sputum; sputum/gast pat

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

Hemoglobin Ql (Sputum/Gastric fld gastrointestinal)Hemoglobin [Presence] in Sputum or Gastric fluid from gastrointestinalHgb Sput/Gast gastro QlHemoglobinCHEMHemoglobin, gastrointestinal Sputum/Gastric FluidPrThr

Frequently asked questions

Code details

Code50017-3
SystemLOINC
Display nameHemoglobin Ql (Sputum/Gastric fld gastrointestinal)
DescriptionHemoglobin
Short nameHgb Sput/Gast gastro Ql
ComponentHemoglobin
PropertyPrThr
TimingPt
System (specimen)Sputum/Gast fld^Patient.gastrointestinal
ScaleOrd
ClassCHEM
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.22
Last changed2.82

Consumer names

Hemoglobin, gastrointestinal Sputum/Gastric Fluid

Part names

HemoglobinPrThrPtSputum/Gast fld^Patient.gastrointestinalOrdPresence 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.