LOINCActiveBoth

LOINC Code 23597-8: D. congolensis Methylene blue stain Ql (Exud)

23597-8 is a LOINC code used to identify D. congolensis Methylene blue stain Ql (Exud) 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 Dermatophilus congolensis. It is commonly used with the system or sample type Exudate.

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 Dermatophilus congolensis. It is commonly used with the system or sample type Exudate.

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: Methylene blue stain

What it does not mean

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

Key facts

  • Dermatophilus congolensis [Presence] in Exudate by Methylene blue stain
  • Dermatophilus congolensis
  • Exudate is material such as fluid, cells or cellular debris, which has been deposited in tissues or on tissue surface.
  • D congo; D congolensis; Dermatophilosis; Exud; ID; Infectious Disease; InfectiousDisease; MB Stn; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; St; Stains; Stn; Streptothrichosis

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

D. congolensis Methylene blue stain Ql (Exud)Dermatophilus congolensis [Presence] in Exudate by Methylene blue stainD congo Exudate Ql MB StnDermatophilus congolensisMICRODermatophilus congolensis, ExudatePrThr

Frequently asked questions

Code details

Code23597-8
SystemLOINC
Display nameD. congolensis Methylene blue stain Ql (Exud)
DescriptionDermatophilus congolensis
Short nameD congo Exudate Ql MB Stn
ComponentDermatophilus congolensis
PropertyPrThr
TimingPt
System (specimen)Exudate
ScaleOrd
MethodMethylene blue stain
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0n
Last changed2.56

Consumer names

Dermatophilus congolensis, Exudate

Part names

Dermatophilus congolensisPrThrPtExudateOrdMethylene blue stainPresence 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.

LOINC Code 23597-8 | HealthAssure