ICD-10-CM > D50-D89 > D60-D64 > D64 > D64.2 D64.2 Secondary sideroblastic anemia due to drugs and toxins Billable/Specific Copy Code Copy Description Code First poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4) Use Additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)