FY2027 ICD-10-CM reference
E09.649: Drug or chemical induced diabetes mellitus with hypoglycemia without coma
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Drug or chemical induced diabetes mellitus with hypoglycemia without coma. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Billable code. Verified against the official FY2027 order file.
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).
Code first
poisoning due to drug or toxin, if applicable (T36-T65 with fifth or sixth character 1-4)
Source: E09 (category, inherited).
Instructional note
code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
Source: E09 (category, inherited).
Instructional note
code to identify control using:
Source: E09 (category, inherited).
Instructional note
injectable non-insulin antidiabetic drugs (Z79.85)
Source: E09 (category, inherited).
Instructional note
insulin (Z79.4)
Source: E09 (category, inherited).
Instructional note
oral antidiabetic drugs (Z79.84)
Source: E09 (category, inherited).
Instructional note
oral hypoglycemic drugs (Z79.84)
Source: E09 (category, inherited).
Excludes1
diabetes mellitus due to underlying condition (E08.-)
Source: E09 (category, inherited).
Excludes1
gestational diabetes (O24.4-)
Source: E09 (category, inherited).
Excludes1
neonatal diabetes mellitus (P70.2)
Source: E09 (category, inherited).
Excludes1
postpancreatectomy diabetes mellitus (E13.-)
Source: E09 (category, inherited).
Excludes1
postprocedural diabetes mellitus (E13.-)
Source: E09 (category, inherited).
Excludes1
secondary diabetes mellitus NEC (E13.-)
Source: E09 (category, inherited).
Excludes1
type 1 diabetes mellitus (E10.-)
Source: E09 (category, inherited).
Excludes1
type 2 diabetes mellitus (E11.-)
Source: E09 (category, inherited).
Instructional note
code for hypoglycemia level, if applicable (E16.A-)
Source: E09.64 (self, inherited).
Compare the FY2027 additions, removals and billable-status changes
What does E09.649 mean in FY2027?
The official ICD-10-CM descriptor is Drug or chemical induced diabetes mellitus with hypoglycemia without coma. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is E09.649 billable in FY2027?
The FY2027 order file marks E09.649 as billable. Check the complete Tabular instructions and documentation before assigning it.
Does E09.649 map to an HCC?
E09.649 has no CMS-HCC V28 category in the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service). ESRD, RxHCC, PACE and HHS-HCC mappings are still pending verification for FY2027.
Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.
Review the FY2026 April edition