ICD-10: Do This When DOS Spans ICD-9/ICD-10 Implementation Date

Distinguish "from" and "through" dates.

You know you'll need to start using ICD-10 diagnosis codes for services provided on or after Oct. 1, 2013 -- but what about claims for services that begin prior to Oct. 1 and end on or after that date?

Example: The general surgeon begins trauma surgery at 10 p.m. on Sept. 30, 2013 and completes the procedures at 1:30 a.m. on Oct. 1, 2013. That means the date of service (DOS) spans the ICD-10 implementation date. Should providers involved in the surgery report ICD-9 codes, ICD-10 codes, or both?

You can't report both ICD-9 and ICD-10 codes on [...]

- Published on 2011-10-19