In the second part of her Q&A series, Lori-Lynne A. Webb, CPC, CCS-P, CCP, CHDA, CDIP, COBGC, answers coder questions about OB topics including modifier usage, services bundled in the package and when to use specific ICD-10-CM Z codes.
Q: A patient fractured all metatarsals last year and had open reduction and internal fixation. The patient now has a nonunion of the fracture sites and is going back to the OR for an amputation. What would be the appropriate ICD-10-CM seventh character to report?
