E13.621 — Other specified diabetes mellitus with foot ulcer
Is E13.621 billable?
Yes, but E13.621 is an unspecified code. E13.621 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, E13.621 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting E13.621 — the more specific alternatives are listed below.
E13.621 at a glance
| Code | E13.621 |
|---|---|
| Description | Other specified diabetes mellitus with foot ulcer |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does E13.621 group to?
E13.621 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 E13.621 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to E13.621. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Diabetes, diabetic › specified type NEC › with › foot ulcer (mellitus) (sugar)
Use additional code
Report an additional code alongside E13.621 to fully describe the condition. E13.621 is sequenced first.
Excludes1 — never code together — inherited from Chapter 4
The conditions below can never be reported together with E13.621 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 E13
The conditions below can never be reported together with E13.621 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 autoimmune process (E10.-)
- diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
- diabetes mellitus due to underlying condition (E08.-)
- drug or chemical induced diabetes mellitus (E09.-)
- gestational diabetes (O24.4-)
- neonatal diabetes mellitus (P70.2)
- type 1 diabetes mellitus (E10.-)
Use additional code — inherited from E13
Report an additional code alongside E13.621 to fully describe the condition. E13.621 is sequenced first.
How long has E13.621 existed?
E13.621 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.