Cumulative Official WHO Updates to ICD 10 - 1996 - 2001

Rationale: Achalasia is a disorder in which peristalsis in the esophagus is reduced. This can be treated by Botox injection, coded with the root operation Introduction. This section of ICD-10-PCS does not provide specific body part values and, therefore, G, Upper GI is coded for this injection into the esophagus. ................
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