2015 ICD-9-CM Diagnosis Code 556.9 Ulcerative colitis, unspecified 2015 Billable Thru Sept 30/2015 Non-Billable On/After Oct 1/2015 ICD-9-CM 556.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 556.9 should only be used for claims with a date of service on or before[…]
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