All ICD10 Codes

I10-I1A

Non-Billable
ChapterI00–I99
Rankblock
Official Description

Hypertensive diseases (I10-I1A)

Use a more specific code (1 billable, 6 non-billable)
I10Essential (primary) hypertensionI11Hypertensive heart diseasehas subcodesI12Hypertensive chronic kidney diseasehas subcodesI13Hypertensive heart and chronic kidney diseasehas subcodesI15Secondary hypertensionhas subcodesI16Hypertensive crisishas subcodesI1AOther hypertensionhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • neonatal hypertension (P29.2)
  • primary pulmonary hypertension (I27.0)
Excludes2(Not included here. Code separately if applicable.)
  • 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)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I10-I1AHypertensive diseases (I10-I1A)Not billable
I10Essential (primary) hypertensionBillable
I11Hypertensive heart diseaseSubcodes
I12Hypertensive chronic kidney diseaseSubcodes
I13Hypertensive heart and chronic kidney diseaseSubcodes
I15Secondary hypertensionSubcodes
I16Hypertensive crisisSubcodes
I1AOther hypertensionSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I10-I1A:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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