E09.59 ICD-10-CM Code: Drug or chemical induced diabetes mellitus with other circulatory complications
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FY 2026 Apr update / Endocrine, nutritional and metabolic diseases (E00-E89) / Diabetes mellitus (E08-E13)
E09.59
Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidanceDrug or chemical induced diabetes mellitus with other circulatory complications
Diabetes caused by medications or chemicals with blood vessel or circulation problems not specified in other categories.
Buddy Insight
Drug or chemical induced diabetes mellitus with other circulatory complications captures vascular manifestations of drug-induced diabetes beyond peripheral angiopathy.
CMS-HCC V28
00
RAF 0
CMS-HCC V24
MappedHCC 18
RAF 0.302
ACA/HHS
00
RAF 0
ESRD/PACE
MappedHCC 18
RAF 0.0
RXHCC
MappedHCC 30
RAF 0.0
Code Trumping
Basket needed
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for E09.59 in this effective period.
Excludes 2
OfficialICD-10-CM does not list Excludes 2 notes for E09.59 in this effective period.
Related Child Codes
Includes
OfficialICD-10-CM does not list Includes notes for E09.59 in this effective period.
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for E09.59 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for E09.59 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for E09.59 in this effective period.
Code Also
OfficialICD-10-CM does not list Code Also instructions for E09.59 in this effective period.
Buddy Documentation Tip
MEAT Support
Audit Caution
Common Mistakes
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
Is E09.59 an HCC code?
Yes. E09.59 maps to Diabetes with Chronic Complications under the V24 model but is not retained in V28.
HCC Category Mapping
RAF weights shown are the community, non-dual, aged base weights from the CMS risk adjustment model file. Actual per-patient RAF contribution depends on member segment, interactions, and the model year used by the payer. V28 is the CMS-HCC model phased in over payment years 2024–2026; V24 remains in use during the transition and for historical data.
MEAT Criteria for E09.59
For E09.59to count as a valid HCC diagnosis in a given encounter, the provider's documentation must show MEAT: Monitor, Evaluate, Assess, or Treat. A diagnosis from a prior year does not carry forward automatically, it has to be re-documented and supported each calendar year.
- MMonitor: signs, symptoms, disease progression, or lab trending documented in the note
- EEvaluate: test results, medication response, or physical findings reviewed by the provider
- AAssess: explicit mention in the assessment or plan with acknowledgment of status
- TTreat: medication, referral, procedure, therapy, or counseling tied to the diagnosis
Only one of M/E/A/T is required to support the code, but the documentation must be specific enough to show that the provider actually addressed E09.59 during that encounter, not just copy-forwarded from a problem list.
What This Code Means
E09.59 is the ICD-10-CM diagnosis code for drug or chemical induced diabetes mellitus with other circulatory complications. Diabetes caused by medications or chemicals with blood vessel or circulation problems not specified in other categories. E09.59 sits in the ICD-10-CM chapter for endocrine, nutritional and metabolic diseases (e00-e89), within the section covering diabetes mellitus (e08-e13).
Under the older CMS-HCC V24 model, E09.59 maps to Diabetes with Chronic Complications (HCC 18) with a community, non-dual, aged base RAF weight of 0.302. V28 is the CMS-HCC risk adjustment model that reached 100% phase-in for payment year 2026, replacing V24 which was used during the PY2024–PY2025 transition.
Use this code for circulatory complications like diabetic angiopathy variants not captured in E09.51-E09.52. Because E09.59 maps to a payment HCC, the provider's documentation must satisfy MEAT criteria (Monitor, Evaluate, Assess, or Treat) for the encounter to count toward the patient's Medicare Advantage risk adjustment score. When documentation is ambiguous, coders should issue a provider query rather than assume the highest-specificity variant.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for E09.59 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.
Coding Tips
Clinical Significance
Drug or chemical induced diabetes mellitus with other circulatory complications captures vascular manifestations of drug-induced diabetes beyond peripheral angiopathy. This may include diabetic microangiopathy affecting various organ systems, coronary microvascular disease, or cerebrovascular complications attributable to diabetes. These conditions reflect the systemic vascular damage that diabetes causes beyond the commonly coded peripheral arterial disease.
Documentation Requirements
- ✓The causative drug or chemical must be identified.
- ✓The specific circulatory complication must be described in detail, explaining why it does not fit the peripheral angiopathy categories (E09.51-E09.52).
- ✓Supporting diagnostic studies (angiography, echocardiography, or vascular imaging) should be documented.
- ✓The causal relationship to drug-induced diabetes must be established.
Commonly Confused Codes
- •E09.51 (peripheral angiopathy without gangrene) and E09.52 (with gangrene) are more specific for peripheral vascular disease.
- •I25.x (chronic ischemic heart disease) or I67.x (cerebrovascular disease) may be coded additionally but should not replace this combination code.
- •E09.69 (other specified complication) may overlap when the circulatory issue affects multiple systems.