Eg Chapter IX: Diseases of the Circulatory system
Eg Chapter II: Neoplasm
Eg Chapter XX: External causes of morbidity and mortality
Eg Chapter XVIII: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Eg Chapter IV: Endocrine, nutritional and metabolic diseases includes the following blocks
Eg
Eg
A15 is the code for tuberculosis (first character from A to Z, followed by 2 digits)
Eg
A15.1 (first character from A to Z, followed by 2 digits, then a decimal point and finally another digit)
This means
A15 is respiratory tuberculosis, bacteriologically and histologically confirmed
A15.0 is tuberculosis of the lung, confirmed by sputum microscopy with or without culture, and
A15.1 is tuberculosis of the lung, confirmed by culture only
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