LOINCActive

LOINC Code 42819-3: Failure to thrive [CCC]

42819-3 is a LOINC code used to identify Failure to thrive [CCC] 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 Failure to thrive. It is commonly used with the system or sample type ^Patient.

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 Failure to thrive. It is commonly used with the system or sample type ^Patient.

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.CCC

What it does not mean

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

Key facts

  • Failure to thrive [CCC]
  • Failure to thrive
  • Inability to grow and develop normally
  • Clinical Care Classification; Finding; Findings; nursing; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Survey; SURVEY.NURSING.HHCC

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

Failure to thrive [CCC]Failure to thriveSURVEY.NURSE.HHCCFindPt^PatientOrd

Frequently asked questions

Code details

Code42819-3
SystemLOINC
Display nameFailure to thrive [CCC]
DescriptionFailure to thrive
ComponentFailure to thrive
PropertyFind
TimingPt
System (specimen)^Patient
ScaleOrd
MethodObserved.CCC
ClassSURVEY.NURSE.HHCC
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.56

Part names

Failure to thriveFindPt^PatientOrdObserved.CCCFindingPoint 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 42819-3 | HealthAssure