FY2027 ICD-10-CM reference
E13.4: Other specified diabetes mellitus with neurological complications
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Other specified diabetes mellitus with neurological complications. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
More specific FY2027 codes
- E13.40: Other specified diabetes mellitus with diabetic neuropathy, unspecifiedBillable code
- E13.41: Other specified diabetes mellitus with diabetic mononeuropathyBillable code
- E13.42: Other specified diabetes mellitus with diabetic polyneuropathyBillable code
- E13.43: Other specified diabetes mellitus with diabetic autonomic (poly)neuropathyBillable code
- E13.44: Other specified diabetes mellitus with diabetic amyotrophyBillable code
- E13.49: Other specified diabetes mellitus with other diabetic neurological complicationBillable code
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
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.
Source: E00-E89 (chapter, inherited).
Excludes1
transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Source: E00-E89 (chapter, inherited).
Includes
diabetes mellitus due to genetic defects of beta-cell function
Source: E13 (category, inherited).
Includes
diabetes mellitus due to genetic defects in insulin action
Source: E13 (category, inherited).
Includes
postpancreatectomy diabetes mellitus
Source: E13 (category, inherited).
Includes
postprocedural diabetes mellitus
Source: E13 (category, inherited).
Includes
secondary diabetes mellitus NEC
Source: E13 (category, inherited).
Instructional note
code to identify control using:
Source: E13 (category, inherited).
Instructional note
injectable non-insulin antidiabetic drugs (Z79.85)
Source: E13 (category, inherited).
Instructional note
insulin (Z79.4)
Source: E13 (category, inherited).
Instructional note
oral antidiabetic drugs (Z79.84)
Source: E13 (category, inherited).
Instructional note
oral hypoglycemic drugs (Z79.84)
Source: E13 (category, inherited).
Excludes1
diabetes (mellitus) due to autoimmune process (E10.-)
Source: E13 (category, inherited).
Excludes1
diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
Source: E13 (category, inherited).
Excludes1
diabetes mellitus due to underlying condition (E08.-)
Source: E13 (category, inherited).
Excludes1
drug or chemical induced diabetes mellitus (E09.-)
Source: E13 (category, inherited).
Excludes1
gestational diabetes (O24.4-)
Source: E13 (category, inherited).
Excludes1
neonatal diabetes mellitus (P70.2)
Source: E13 (category, inherited).
Excludes1
type 1 diabetes mellitus (E10.-)
Source: E13 (category, inherited).
Compare the FY2027 additions, removals and billable-status changes
What does E13.4 mean in FY2027?
The official ICD-10-CM descriptor is Other specified diabetes mellitus with neurological complications. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is E13.4 billable in FY2027?
The FY2027 order file marks E13.4 as a nonbillable heading. Select a complete billable child code.
Does E13.4 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.
Review the FY2026 April edition