LOINCActive

LOINC Code 42104-0: Derived SEER summary stage 1977 conversion method Cancer

42104-0 is a LOINC code used to identify Derived SEER summary stage 1977 conversion method 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 Derived SEER summary stage 1977 conversion method. 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 Derived SEER summary stage 1977 conversion method. 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

  • Derived SEER summary stage 1977 conversion method Cancer
  • Derived SEER summary stage 1977 conversion method
  • Flag to indicate whether the derived SEER Summary Stage 1977 was derived from CS or EOD codes... NAACCR Data Standards and Data Dictionary Version 11
  • Arbitrary; CA; Derived SS1977; Derived SS1977 conv method; Meth; Method of; Misc; Miscellaneous; Oncology; Ordinal; Other; Point in time; QL; Qual; Qualitative; Random; Screen; SEER SS1977; Spec; SS; Surveillance Epidemiology and End Result; 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

Derived SEER summary stage 1977 conversion method CancerDerived SS1977 conv method CancerDerived SEER summary stage 1977 conversion methodTUMRRGTArbPtCancer.XXX

Frequently asked questions

Code details

Code42104-0
SystemLOINC
Display nameDerived SEER summary stage 1977 conversion method Cancer
DescriptionDerived SEER summary stage 1977 conversion method
Short nameDerived SS1977 conv method Cancer
ComponentDerived SEER summary stage 1977 conversion method
PropertyArb
TimingPt
System (specimen)Cancer.XXX
ScaleOrd
ClassTUMRRGT
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.16
Last changed2.27

Part names

Derived SEER summary stage 1977 conversion methodArbPtCancer.XXXOrdArbitraryPoint in time (spot)Cancer 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.

LOINC Code 42104-0 | HealthAssure