LOINCActiveObservation

LOINC Code 17601-6: Specimen volume (24H Sput)

17601-6 is a LOINC code used to identify Specimen volume (24H Sput) 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 Specimen volume. It is commonly used with the system or sample type Sputum.

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 Specimen volume. It is commonly used with the system or sample type Sputum.

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: Observation

What it does not mean

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

Key facts

  • Volume of 24 hour Sputum
  • Specimen volume
  • 1 day; 24 hours; 24HR; Lower respiratory; QNT; Quan; Quant; Quantitative; Spec; Spt; Sputum; Vol; Volume

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

Specimen volume (24H Sput)Volume of 24 hour SputumSpecimen vol 24h SptSpecimen volumeSPECSpecimen volume, SputumVol

Frequently asked questions

Code details

Code17601-6
SystemLOINC
Display nameSpecimen volume (24H Sput)
DescriptionSpecimen volume
Short nameSpecimen vol 24h Spt
ComponentSpecimen volume
PropertyVol
Timing24H
System (specimen)Sputum
ScaleQn
ClassSPEC
Example unitsmL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.42

Consumer names

Specimen volume, Sputum

Part names

Specimen volumeVol24HSputumQnVolume24 hours

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 17601-6 | HealthAssure