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