CH CRL (R4)
0.9.0 - Draft

This page is part of the CH CRL (R4) (v0.9.0: STU Draft) based on FHIR R4. . For a full list of available versions, see the Directory of published versions

CodeSystem: NKRS - IRSS Staging

Summary

Defining URL:http://fhir.ch/ig/ch-crl/CodeSystem/nkrs-irssstaging
Version:0.9.0
Name:NkrsIRSSStaging
Title:NKRS - IRSS Staging
Status:Active as of 2022-02-04 02:14:21+0100
Definition:

The paediatric International Retinoblastoma Staging System is based on extent of disease and the presence of overt extra-ocular extension after enucleation.

IRSS staging (Variable number: 4.23) in 'NATIONAL CANCER DATA DICTIONARY, V 1.1, Part A, BASIC VARIABLES for Adults, Adolescents, and Children (23.12.2019)' (EN, DE, FR, IT)

Publisher:Bundesamt für Gesundheit BAG
Copyright:

CC-BY-SA-4.0

Content:Complete: All the concepts defined by the code system are included in the code system resource
Value Set:http://fhir.ch/ig/ch-crl/ValueSet/nkrs-irssstaging ( is the value set for all codes in this code system)
Source Resource:XML / JSON / Turtle

This Code system is referenced in the content logical definition of the following value sets:

This code system http://fhir.ch/ig/ch-crl/CodeSystem/nkrs-irssstaging defines the following codes:

CodeDisplayDefinition
0 Stage 0Patients treated conservatively. The tumour is confined to the globe. Enucleation has not been performed.
pI pStage IEye enucleated, completely resected histologically
pII pStage IIEye enucleated, microscopic residual tumour
pIIIa pStage IIIaRegional extension: overt orbital disease
pIIIb pStage IIIbRegional extension: preauricular or cervical lymph node extension
cIVa.1 cStage IVa.1Haematogenous metastasis (without CNS involvement): single lesion
cIVa.2 cStage IVa.2Haematogenous metastasis (without CNS involvement): multiple lesions
cIVb.1 cStage IVb.1CNS extension (with or without any other site of regional or metastatic disease: prechiasmatic lesion
cIVb.2 cStage IVb.2CNS extension (with or without any other site of regional or metastatic disease: CNS mass
cIVb.3 cStage IVb.3CNS extension (with or without any other site of regional or metastatic disease: leptomeningeal and cerebrospinal fluid disease