E09.638 — Drug or chemical induced diabetes mellitus with other oral complications
Is E09.638 billable?
Yes — E09.638 is billable for FY2027. E09.638 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. E09.638 may be submitted for encounters from October 1, 2026 through September 30, 2027.
E09.638 at a glance
| Code | E09.638 |
|---|---|
| Description | Drug or chemical induced diabetes mellitus with other oral complications |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does E09.638 group to?
E09.638 sits in MDC Pre and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 008Simultaneous Pancreas, Islet Cell and Kidney Transplantsurgical
How is E09.638 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to E09.638. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Diabetes, diabetic › due to drug or chemical › with › oral complication NEC (mellitus) (sugar)
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E09.638 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Excludes1 — never code together — inherited from E09
The conditions below can never be reported together with E09.638 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- 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 first — inherited from E09
The underlying condition below must be sequenced before E09.638. E09.638 describes a manifestation and cannot be the principal or first-listed diagnosis.
- poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
Use additional code — inherited from E09
Report an additional code alongside E09.638 to fully describe the condition. E09.638 is sequenced first.
How long has E09.638 existed?
E09.638 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.