LOINC Code 21870-1: Date of inpatient admission Cancer

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 Date of inpatient admission. 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

• Date of inpatient admission Cancer
• Date of inpatient admission
• Date of the inpatient admission to the reporting facility for the most definitive surgery. In the absence of surgery, use date of inpatient admission for any other therapy. In the absence of therapy, use date of inpatient admission for diagnostic evaluation. See page 81 for date format... NAACCR Data Standards and Data Dictionary Version 11
• CA; Date and time; Date of inpt adm; Misc; Miscellaneous; Oncology; Other; Point in time; QNT; Quan; Quant; Quantitative; Random; Spec; Time stamp; Timestamp; 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

Frequently asked questions