Jean Posted Mon 12th of December, 2011 16:19:53 PM
I need an ICD-9 code for an allergic reaction to due serum. The one in the ICD-9 book 999.4 and 999.5 keeps coming back as not valid.
SuperCoder Answered Tue 13th of December, 2011 04:51:51 AM
The proper code should be 999.49.