What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActive

LOINC Code 21871-9: Date of inpatient discharge Cancer

Name: LOINC Code 21871-9: Date of inpatient discharge Cancer
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:30.107Z

21871-9 is a LOINC code used to identify Date of inpatient discharge 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 Date of inpatient discharge. 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 Date of inpatient discharge. 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 discharge Cancer

Date of inpatient discharge

Date of the inpatient discharge from the reporting facility after the most definitive surgery. In the absence of surgery, use date of inpatient discharge for other therapy. In the absence of therapy, use date of inpatient discharge for diagnostic evaluation. This discharge date corresponds to the admission date described by Date of Inpatient Adm [590]. See page 81 for date format. NoteThis item is not the same as the old NAACCR item, Date of Discharge, which has been deleted from the NAACCR layout... NAACCR Data Standards and Data Dictionary Version 11

CA; Date and time; Date of inpt disch; Disch; 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

Date of inpatient discharge CancerDate of inpt disch CancerDate of inpatient dischargeTUMRRGTTmStpPtCancer.XXX

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.

LOINC Code 21871-9: Date of inpatient discharge Cancer

What is this code?

When is it used?

What it does not mean

Key facts

Where you may see this code

Common synonyms

Frequently asked questions

Code details

Flags

Source

Part names