Coding Clinic for ICD-10-CM has advised the following regarding cyclical vomiting syndrome: “Assign code K31.89, Other diseases of stomach and duodenum, along with the appropriate code from category R11, Nausea and vomiting. Since code K31.89 does not specifically identify the disease process of cyclical vomiting syndrome, it is appropriate to assign an additional code from category R11 to capture the vomiting.” A code for cyclical vomiting syndrome has been proposed and may be added to International Classification of Diseases, 10th Revision, Clinical Modification in October.

Both modifiers are appropriately appended to your E/M service code (eg, 99214) when the unrelated E/M service is significant and separately identifiable from the pre- and post-service work of the minor procedure (0- or 10-day global period) performed during the global period of an unrelated prior procedure. If the new procedure had a 90-day global period, modifiers 24 and 57 (decision for...

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