I12

Non-Billable
ChapterI00–I99
Rankcategory
Official Description

Hypertensive chronic kidney disease

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here)
  • 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.-)

I10-I1A Parent Instructions

Excludes1(Not coded here)
  • neonatal hypertension (P29.2)
  • primary pulmonary hypertension (I27.0)
Excludes2(Not included here)
  • 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)

Instructional Notes

Includes
  • any condition in N18 and N26 - due to hypertension
  • arteriosclerosis of kidney
  • arteriosclerotic nephritis (chronic) (interstitial)
  • hypertensive nephropathy
  • nephrosclerosis
Excludes1(Not coded here)
  • hypertension due to kidney disease (I15.0, I15.1)
  • renovascular hypertension (I15.0)
  • secondary hypertension (I15.-)
Excludes2(Not included here)
  • acute kidney failure (N17.-)

Clinical Hierarchy

CH9Diseases of the circulatory system (I00-I99)
I10-I1AHypertensive diseases (I10-I1A)
I12Hypertensive chronic kidney disease
I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
I12.9Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I12:

blockI10-I1A
Hypertensive diseases (I10-I1A)
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to I12. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

8 raw paths
Disease, diseased3 unique routes
end stage renal (ESRD)
due to hypertension→I12
Fahr Volhard (of kidney)→I12
renal (functional) (pelvis)
end-stage (failure)
due to hypertension→I12
Fahr Volhard disease (of kidney)1 unique routes
Direct index entry→I12
Failure, failed1 unique routes
renal
end stage (chronic)
due to hypertension→I12
Hypertension, hypertensive (accelerated) (benign) (essential) (idiopathic) (malignant) (systemic)3 unique routes
kidney→I12(3 variants)
with(2 variants)
stage 1 through stage 4 chronic kidney disease→I12
stage 5 chronic kidney disease (CKD) or end stage renal disease (ESRD)→I12

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Hypertensive chronic kidney disease.

Search PCS Codes