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Table 1 Main condition code matches between ICD-10-CA and ICD-11

From: Field testing a new ICD coding system: methods and early experiences with ICD-11 Beta Version 2018

Matches

N

%

Complete

1403

69.5%

Partial

339

16.8%

No

276

13.7%

Total

2018

100

Examples of partial main condition code matches

ICD 11 code

ICD 10-CA code

Example 1

GB70.1-Calculus of ureter

N20.0-Calculus of kidney

Example 2

GB56.0-Hydronephrosis with uteropelvic junction obstruction

N13.5-Kinking and stricture of ureter without hydronephrosis

Example 3

2C82.0-Adenocarcinoma of prostate

C61-Malignant neoplasm of prostate

Example 4

DA42.Y-Other specified gastritis

A04.3-Enterohaemorrhagic Escherichia coli infection