E10.638 — Type 1 diabetes mellitus with other oral complications
Is E10.638 billable?
Yes — E10.638 is billable for FY2027. E10.638 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. E10.638 may be submitted for encounters from October 1, 2026 through September 30, 2027.
E10.638 at a glance
| Code | E10.638 |
|---|---|
| Description | Type 1 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 E10.638 group to?
E10.638 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 E10.638 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to E10.638. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Diabetes, diabetic › type 1 › with › oral complication NEC (mellitus) (sugar)
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E10.638 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 E10
The conditions below can never be reported together with E10.638 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.-)
- drug or chemical induced diabetes mellitus (E09.-)
- gestational diabetes (O24.4-)
- hyperglycemia NOS (R73.9)
- neonatal diabetes mellitus (P70.2)
- postpancreatectomy diabetes mellitus (E13.-)
- postprocedural diabetes mellitus (E13.-)
- secondary diabetes mellitus NEC (E13.-)
- type 2 diabetes mellitus (E11.-)
How long has E10.638 existed?
E10.638 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.