E09.63
Drug or chemical induced diabetes mellitus with oral complications
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Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
diabetes mellitus due to underlying condition (E08.-) gestational diabetes (O24.4-) neonatal diabetes mellitus (P70.2) postpancreatectomy diabetes mellitus (E13.-) postprocedural diabetes mellitus (E13.-) secondary diabetes mellitus NEC (E13.-) type 1 diabetes mellitus (E10.-) type 2 diabetes mellitus (E11.-)
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) code to identify control using: injectable non-insulin antidiabetic drugs (Z79.85) insulin (Z79.4) oral antidiabetic drugs (Z79.84) oral hypoglycemic drugs (Z79.84)
poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Official Guidelines for E09.63
FY 2026 ›Subsections
Sections that reference E09.63
- I.C.4.a.6)Secondary diabetes mellitus
Codes under categories E08, Diabetes mellitus due to underlying condition, E09, Drug or chemical induced diabetes mellitus, and E13, Other specified diabetes mellitus, identify complications/manifestations …
- I.C.4.a.6)(b)Assigning and sequencing secondary diabetes codes and its causes
… codes in relationship to codes for the cause of the diabetes is based on the Tabular List instructions for categories E08, E09 and E13.
- I.C.4.aDiabetes mellitus
… Assign as many codes from categories E08 – E13 as needed to identify all of the associated conditions that the patient has.
- I.C.15.gDiabetes mellitus in pregnancyChapter 15
… O24, Diabetes mellitus in pregnancy, childbirth, and the puerperium, first, followed by the appropriate diabetes code(s) (E08-E13) from Chapter 4.
Sections whose FY 2026 text names E09.63, its E09 category, or a range containing it — the chapter guidance above is the authoritative source.