Non-specific code 2011 ICD-9-CM Diagnosis Code 999.6
Abo incompatibility reaction not elsewhere classified
  • There are 5 ICD-9-CM codes below 999.6 that define this diagnosis in greater detail. Do not use this code on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 999.6.
  • More recent version(s) of ICD-9-CM 999.6: 2012 2013 2014 2015.
999.6 Excludes
  • minor blood group antigens reactions (Duffy) (E) (K(ell)) (Kidd) (Lewis) (M) (N) (P) (S) (999.89)
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 999.6 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.