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As practices prepare for ICD-10 implementation on Oct. 1, 2013, one practical question keeps resurfacing: How should you report diagnosis codes for claims that begin on dates of service before Oct. 1, 2013, but don't end until Oct. 1 or later?
Example:
The anesthesiologist begins administering continuous anesthesia for a surgery at 11 p.m. on Sept. 30, 2013. His involvement in the case ends at 2 a.m. on Oct. 1, 2013. CMS has said you can't report both ICD-9 and ICD-10 codes on the same claim (if you submit a claim with both code sets, CMS will return the claim [...]