LOINC Code 42043-0: 2nd course surgery Cancer Rx
42043-0 is a LOINC code used to identify 2nd course surgery Cancer Rx 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 2nd course treatment.surgery. It is commonly used with the system or sample type Subsequent cancer Rx.
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 2nd course treatment.surgery. It is commonly used with the system or sample type Subsequent cancer Rx.
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
- 2nd course surgery Cancer Rx
- 2nd course treatment.surgery
- Codes for the type of primary site surgery given as part of the second course of treatment. Central registries currently collecting this data item should follow the 1998 ROADS Manual coding instructions. The codes are the same as those for Surgery of Primary Site, 1998 ROADS Manual, p. 187. See also First Course Calc Method [1500]... NAACCR Data Standards and Data Dictionary Version 11
- 2nd course Surg; 2nd course Tx; CA; Identity or presence; Nominal; Oncology; Point in time; Random; Second; Surg; Treatment; TUMOR REGISTRY(NAACCR); Tx
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
Frequently asked questions
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.