B183-char group
Chronic viral hepatitis
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
The following fifth-character subdivisions are for use with categories B18.0-B18.1 and provided for optional use in a supplementary character position. 0 immune-tolerant phase 9 other and unspecified phase
Codes within B18
B18.0Chronic viral hepatitis B with delta-agentB18.00Chronic viral hepatitis B with delta-agent, immune-tolerant phaseB18.09Chronic viral hepatitis B with delta-agent, other and unspecified phaseB18.1Chronic viral hepatitis B without delta-agentB18.10Chronic viral hepatitis B without delta-agent, immune-tolerant phaseB18.19Chronic viral hepatitis B without delta-agent, other and unspecified phaseB18.2Chronic viral hepatitis CB18.8Other chronic viral hepatitisB18.9Chronic viral hepatitis, unspecified