LOINCActive

LOINC Code 59545-4: Flag for Recurrence date not populated first episode Cancer

59545-4 is a LOINC code used to identify Flag for Recurrence date not populated first episode Cancer 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 Flag for Recurrence date not populated. It is commonly used with the system or sample type Cancer.XXX.

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 Flag for Recurrence date not populated. It is commonly used with the system or sample type Cancer.XXX.

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

What it does not mean

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

Key facts

  • Flag for Recurrence date not populated first episode Cancer
  • Flag for Recurrence date not populated
  • This flag explains why there is no appropriate value in the corresponding date field, Recurrence Date-1st [1860]. This data item was added to Volume II Version 12 (effective January 2010)... NAACCR Data Standards and Data Dictionary Version 12
  • 1st; CA; Flag for Recur date; Identity or presence; Misc; Miscellaneous; Nominal; Oncology; Other; Recur date; Spec; To be specified in another part of the message; TUMOR REGISTRY(NAACCR); Unspecified

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

Flag for Recurrence date not populated first episode CancerFlag for Recur date 1st episode CancerFlag for Recurrence date not populatedTUMRRGTPridEpisode^frstCancer.XXX

Frequently asked questions

Code details

Code59545-4
SystemLOINC
Display nameFlag for Recurrence date not populated first episode Cancer
DescriptionFlag for Recurrence date not populated
Short nameFlag for Recur date 1st episode Cancer
ComponentFlag for Recurrence date not populated
PropertyPrid
TimingEpisode^frst
System (specimen)Cancer.XXX
ScaleNom
ClassTUMRRGT
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

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

Part names

Flag for Recurrence date not populatedPridEpisode^frstCancer.XXXNomPresence or IdentityCancer XXX

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.