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CurrentApr 1, 2026 – Sep 30, 2026

Code edition

CurrentApr 1, 2026 – Sep 30, 2026

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Chapters Disease index External causes Drugs and chemicals Neoplasms Official sources

ICD-10-CM · FY2026 · April / Chapters 9 / Hypertensive diseases (I10-I1A)

Hypertensive diseases (I10-I1A)

I10-I1A · 7 Entries

More specific codes (7)

I10Essential (primary) hypertensionBillable / specific→I11Hypertensive heart diseaseCategory · further specificity required→I12Hypertensive chronic kidney diseaseCategory · further specificity required→I13Hypertensive heart and chronic kidney diseaseCategory · further specificity required→I15Secondary hypertensionCategory · further specificity required→I16Hypertensive crisisCategory · further specificity required→I1AOther hypertensionCategory · further specificity required→

Coding notesExcludes 1 · Excludes 2 · Use additional code · 9

Excludes 1

neonatal hypertension (P29.2)
primary pulmonary hypertension (I27.0)

Excludes 2

hypertensive disease complicating pregnancy, childbirth and the puerperium (O10-O11, O13-O16)

Use additional code

code to identify:
exposure to environmental tobacco smoke (Z77.22)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

ICD-10-CM · CDC/NCHS · English

Official ICD-10-CM titles and instructions are preserved in English. Interface translations are provided by ICD Code Hub, not CDC or WHO.

CDC / NCHS · Apr 1, 2026 – Sep 30, 2026