LOINCActive

LOINC Code 33557-0: Completion status Task Observed

33557-0 is a LOINC code used to identify Completion status Task Observed 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 Completion status. It is commonly used with the system or sample type {Type of task}.

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 Completion status. It is commonly used with the system or sample type {Type of task}.

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
  • Method: Observed

What it does not mean

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

Key facts

  • Completion status Task Observed
  • Completion status
  • This data element represents a subjective assessment of the degree to which a task has been completed. It is commonly used to assess the completion of educational activities with a patient.
  • CLIN; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Typ

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

Completion status Task ObservedCompletion status Task ObservCompletion statusCLINTypePt{Type of task}

Frequently asked questions

Code details

Code33557-0
SystemLOINC
Display nameCompletion status Task Observed
DescriptionCompletion status
Short nameCompletion status Task Observ
ComponentCompletion status
PropertyType
TimingPt
System (specimen){Type of task}
ScaleOrd
MethodObserved
ClassCLIN
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.34

Part names

Completion statusTypePt{Type of task}OrdObservedPoint 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 33557-0 | HealthAssure