LOINCActiveBoth

LOINC Code 30121-8: Colony count (Dial fld) [#/Vol]

30121-8 is a LOINC code used to identify Colony count (Dial fld) [#/Vol] 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 Dial 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 Colony count. It is commonly used with the system or sample type Dial 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

What it does not mean

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

Key facts

  • Colony count [#/volume] in Dialysis fluid
  • Colony count
  • #; ABS; absolute; absolutes; CC; Cnt; Colonies; Count; Count/volume; CT; Diaf; Dialysate; Dialysis fluid; ID; Infectious Disease; InfectiousDisease; Kidney; Microbiology; Nephrology; Number concentration; Number Concentration (count/vol); Point in time; QNT; Quan; Quant; Quantitative; Random; Renal

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 (Dial fld) [#/Vol]Colony count [#/volume] in Dialysis fluidCC # Dial fldColony countMICROColony count, Dialysis fluidNCnc

Frequently asked questions

Code details

Code30121-8
SystemLOINC
Display nameColony count (Dial fld) [#/Vol]
DescriptionColony count
Short nameCC # Dial fld
ComponentColony count
PropertyNCnc
TimingPt
System (specimen)Dial fld
ScaleQn
ClassMICRO
Example units/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.04
Last changed2.73

Consumer names

Colony count, Dialysis fluid

Part names

Colony countNCncPtDial fldQnNumber ConcentrationPoint in time (spot)Dialysis 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 30121-8 | HealthAssure