I12
Non-Billable

Hypertensive chronic kidney disease

Non-Billable / Non-Specific Code

What is Hypertensive chronic kidney disease?

ICD-10-CM I12 is the diagnosis code for Hypertensive chronic kidney disease. This code falls under the section "Hypertensive diseases" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1
â„šī¸ Excludes2

Coding Guidelines for I12

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as I12. They are mutually exclusive:

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

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in I12. If the patient has both, code each condition separately:

  • acute kidney failure (N17.-)

ICD-10-CM Code Hierarchy

Understanding where I12 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeI12 — Hypertensive chronic kidney disease
Sub-Codes (2)
Sub-Codes 2 entries
I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal diseaseBillableI12.9Hypertensive chronic kidney disease with stage 1 through stage 4 chronic kidney disease, or unspecified chronic kidney diseaseBillable
Related Codes

Frequently Asked Questions

Is I12 a billable ICD-10-CM code?

No, I12 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does I12 mean?

I12 is the ICD-10-CM diagnosis code for "Hypertensive chronic kidney disease". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is I12 in?

I12 is located in Section I10-I1A — "Hypertensive diseases" within Chapter 9 of the ICD-10-CM Tabular List.

What are the sub-codes of I12?

I12 has 2 sub-code(s) that provide more specific detail: I12.0, I12.9.

When should I use I12?

Use I12 when the patients documented diagnosis matches "Hypertensive chronic kidney disease" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Hypertensive chronic kidney disease?

The ICD-10-CM code for Hypertensive chronic kidney disease is I12.

Can I12 be used for primary diagnosis?

No, I12 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is I12 in?

I12 is in Chapter 9 of the ICD-10-CM Tabular List.

What conditions are excluded from I12?

Type 1 Excludes for I12 include: hypertension due to kidney disease (I15.0, I15.1); renovascular hypertension (I15.0); secondary hypertension (I15.-).

Is I12 valid for 2026?

Yes, I12 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousI11.9Hypertensive heart disease without heart failureNext →I12.0Hypertensive chronic kidney disease with stage 5 chronic kidney disease or end stage renal disease
Code Details
I12
Hypertensive chronic kidney disease
Non-Billable / Non-Specific Code
9 — Diseases of the circulatory system (I00-I99)
I10-I1A — Hypertensive diseases
2026 ICD-10-CM