Diagnosis and Coding
ICD-10/ICD-11 disease coding, procedure coding, principal diagnosis selection, medical record front sheets, and settlement-list practice, with coding training.
Comprehensive guides
Use these maps before entering individual topics.
ICD-10 Chapter I (A00–B99): Structure, Coding Boundaries, and Why Classification Is Not the Notifiable-Disease List
A professional reference to WHO ICD-10 Chapter I (A00–B99): its 21 blocks, within-chapter coding rules (dagger/asterisk, B95–B97 agent codes, sequelae and carrier states), its relation to China’s national, clinical, and payer code sets, and why a classification chapter is not a statutory notifiable-disease list.
Open guide →Diagnosis and Coding: From Clinical Facts to ICD, the Front Sheet, and Payment Data
A professional guide to diagnosis formation, principal-diagnosis selection, ICD coding, front-sheet quality, and payment-data governance.
Open guide →Diagnosis and Coding Knowledge Graph
Connect clinical diagnosis, front-sheet data, ICD, payment, and oversight.