ICD-10-CM 2026 · Effective October 1, 2025

ICD-10 I15.2

Billable / Specific

Hypertension secondary to endocrine disorders

I15
Block
0
Synonyms
49
LCDs
7
Payer Policies
6
Linked CPTs

About ICD-10-CM I15.2

ICD-10-CM code I15.2 represents Hypertension secondary to endocrine disorders. This is a billable/specific code in the Circulatory System chapter (block I15). The 2026 edition of ICD-10-CM I15.2 became effective on October 1, 2025.

Medicare LCD Coverage for I15.2

Local Coverage Determinations (LCDs) from CMS MACs that list I15.2 as a covered diagnosis.

49 LCDs

Showing top 10 of 49 total . Click a CPT for full coverage scope.

CMS LCD: Billing and Coding: Homocysteine Level, Serum
Article ID: 56675, Effective: 2024-10-01 00:00:00, 550 covered, 0 non-covered
CPT 83090 →
CMS LCD: Billing and Coding: Bariatric Surgery Coverage
Article ID: 53026, Effective: 2026-01-01 00:00:00, 553 covered, 0 non-covered
CPT 43846 →
CMS LCD: Billing and Coding: Bariatric Surgery Coverage
Article ID: 53026, Effective: 2026-01-01 00:00:00, 553 covered, 0 non-covered
CPT 43845 →
CMS LCD: Billing and Coding: Bariatric Surgery Coverage
Article ID: 53026, Effective: 2026-01-01 00:00:00, 553 covered, 0 non-covered
CPT 43847 →
CMS LCD: Billing and Coding: Bariatric Surgery Coverage
Article ID: 53026, Effective: 2026-01-01 00:00:00, 553 covered, 0 non-covered
CPT 43770 →
CMS LCD: Billing and Coding: Bariatric Surgery Coverage
Article ID: 53026, Effective: 2026-01-01 00:00:00, 553 covered, 0 non-covered
CPT 43644 →
CMS LCD: Billing and Coding: Bariatric Surgery Coverage
Article ID: 53026, Effective: 2026-01-01 00:00:00, 553 covered, 0 non-covered
CPT 43775 →
CMS LCD: Billing and Coding: Bariatric Surgery Coverage
Article ID: 53026, Effective: 2026-01-01 00:00:00, 553 covered, 0 non-covered
CPT 43645 →
CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies
Article ID: 57591, Effective: 2026-03-26 00:00:00, 523 covered, 0 non-covered
CPT 93978 →
CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies
Article ID: 57591, Effective: 2026-03-26 00:00:00, 523 covered, 0 non-covered
CPT 93976 →

Commercial Payer Coverage

Coverage policies from major commercial payers referencing I15.2.

7 policies

5 Medicare

Billing and Coding: Bariatric Surgery Coverage
Policy ID: ART-53026
Billing and Coding: Echocardiography
Policy ID: ART-56625
Billing and Coding: Homocysteine Level, Serum
Policy ID: ART-56675
Billing and Coding: Laparoscopic Sleeve Gastrectomy for Severe Obesity
Policy ID: ART-56852
Billing and Coding: Serum Magnesium
Policy ID: ART-57189

CPT Codes Commonly Billed with I15.2

Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.

6 linkages
  • 93979 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93975 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93976 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93978 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93980 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD
  • 93981 CMS LCD: Billing and Coding: Non-Invasive Abdominal / Visceral Vascular Studies CMS LCD

Convert I15.2 to ICD-9-CM

Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.

ICD-10ICD-9Mapping Flags
I15.2 40599 10000

Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).

Codes Adjacent To I15.2

Other codes in section I10-I1A (Hypertensive diseases).

I10 Essential (primary) hypertension I11 Hypertensive heart disease (non-billable) I11.0 Hypertensive heart disease with heart failure I11.9 Hypertensive heart disease without heart failure I12 Hypertensive chronic kidney disease (non-billable) I12.0 Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease I12.9 Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease I13 Hypertensive heart and chronic kidney disease (non-billable) I13.0 Hypertensive heart and chronic kidney disease with heart failure and stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease I13.1 Hypertensive heart and chronic kidney disease without heart failure (non-billable) I13.10 Hypertensive heart and chronic kidney disease without heart failure, with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease I13.11 Hypertensive heart and chronic kidney disease without heart failure, with stage 5 chronic kidney disease, or end stage renal disease I13.2 Hypertensive heart and chronic kidney disease with heart failure and with stage 5 chronic kidney disease, or end stage renal disease I15 Secondary hypertension (non-billable) I15.0 Renovascular hypertension I15.1 Hypertension secondary to other renal disorders I15.8 Other secondary hypertension I15.9 Secondary hypertension, unspecified I16 Hypertensive crisis (non-billable) I16.0 Hypertensive urgency

ICD-10 I15.2, Billing FAQ

Is ICD-10 code I15.2 billable? +

Yes, I15.2 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.

What CPT codes are commonly billed with I15.2? +

Procedures frequently paired with I15.2 include: 93979, 93975, 93976, 93978, 93980.

What ICD-9 codes does I15.2 map to? +

Per CMS GEMs, I15.2 maps to ICD-9 codes: 40599. Useful for legacy data review and historical claim analysis.

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

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