LOINCActiveObservation

LOINC Code 57835-1: Appearance (Dial fld)

57835-1 is a LOINC code used to identify Appearance (Dial fld) 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 Observation. It is commonly used with the system or sample type Dial fld.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Observation. 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: Observation

What it does not mean

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

Key facts

  • Appearance of Dialysis fluid
  • Observation
  • Appearance; Diaf; Dialysate; Dialysis fluid; Nominal; Point in time; Random; SPEC

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

Appearance (Dial fld)Appearance of Dialysis fluidAppearance Dial fldObservationSPECAppearance, Dialysis fluidAper

Frequently asked questions

Code details

Code57835-1
SystemLOINC
Display nameAppearance (Dial fld)
DescriptionObservation
Short nameAppearance Dial fld
ComponentObservation
PropertyAper
TimingPt
System (specimen)Dial fld
ScaleNom
ClassSPEC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.29
Last changed2.79

Consumer names

Appearance, Dialysis fluid

Part names

ObservationAperPtDial fldNomAppearancePoint 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 57835-1 | HealthAssure