ICD-10-CM code · FY2027

I12.9 Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney disease

BillableValid for claims as a specific diagnosis code

About I12.9

Code
I12.9
Billable
Yes
Short description
Hypertensive chronic kidney disease w stg 1-4/unsp chr kdny
Category
I12 Hypertensive chronic kidney disease
Block
I10-I1A Hypertensive diseases
Chapter
9 Diseases of the circulatory system
Code set
FY2027, October 1, 2026 to September 30, 2027
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Coding notes for I12.9

Applicable to Other names for conditions reported with this code.

  • Hypertensive chronic kidney disease NOS
  • Hypertensive renal disease NOS

Use additional code Add a second code for the detail named here.

Also applies, from I12 Hypertensive chronic kidney disease

Includes Conditions this code covers.

  • any condition in N18 and N26 - due to hypertension
  • arteriosclerosis of kidney
  • arteriosclerotic nephritis (chronic) (interstitial)
  • hypertensive nephropathy
  • nephrosclerosis

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • hypertension due to kidney disease (I15.0, I15.1)
  • renovascular hypertension (I15.0)
  • secondary hypertension (I15.-)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • acute kidney failure (N17.-)
Block I10-I1A notes (apply to every code in it)

Excludes1 Not coded here: never report these together with this code (use the code given instead).

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

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

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

Use additional code Add a second code for the detail named here.

  • 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)
Chapter 9 notes (apply to every code in it)

Excludes2 Not part of this condition, but a patient can have both: report both codes when both apply.

  • 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.-)

Related codes in I12

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ICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.