LOINCActiveBoth

LOINC Code 565-2: Colony count Visual count Ql (Specimen)

565-2 is a LOINC code used to identify Colony count Visual count Ql (Specimen) 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 Colony count. It is commonly used with the system or sample type XXX.

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 Colony count. It is commonly used with the system or sample type XXX.

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: VC

What it does not mean

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

Key facts

  • Colony count [#] in Specimen Qualitative by Visual count
  • Colony count
  • CC; Cnt; Colonies; Count; ID; Infectious Disease; InfectiousDisease; Microbiology; Misc; Miscellaneous; Number; Ordinal; Other; Point in time; QL; Qual; Qualitative; Random; Screen; Spec; To be specified in another part of the message; Unspecified; Visual count

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

Colony count Visual count Ql (Specimen)Colony count [#] in Specimen Qualitative by Visual countCC Spec Ql VCColony countMICROColony count, SpecimenNum

Frequently asked questions

Code details

Code565-2
SystemLOINC
Display nameColony count Visual count Ql (Specimen)
DescriptionColony count
Short nameCC Spec Ql VC
ComponentColony count
PropertyNum
TimingPt
System (specimen)XXX
ScaleOrd
MethodVC
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.69

Consumer names

Colony count, Specimen

Part names

Colony countNumPtXXXOrdVCNumber (count)Point in time (spot)Visual count

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 565-2 | HealthAssure