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Home/Diagnosis/ICD-10 Coding for Uncontrolled Malignant Hypertension

ICD-10 Coding for Uncontrolled Malignant Hypertension

I16.1
I10

Complete ICD-10-CM coding and documentation guide for icd-10 coding for uncontrolled malignant hypertension includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Hypertensive Crisis
Hypertensive Emergency
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Key Information: ICD-10 Coding for Uncontrolled Malignant Hypertension

Essential facts and insights about ICD-10 Coding for Uncontrolled Malignant Hypertension

Use ICD-10 code I16.1 for hypertensive emergency, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Hypertensive emergency

Billable Code
I16.1
Billable

Diagnostic Criteria

clinical_criteria:
  • • BP ≥180/120 mmHg with acute organ damage
documentation_criteria:
  • • Documented evidence of organ damage such as elevated creatinine

Applicable To

  • • Hypertensive crisis with acute organ damage

Important Notes

  • • Ensure documentation supports the presence of acute organ damage to justify I16.1.

Essential (primary) hypertension

Billable Code
I10
Billable

Diagnostic Criteria

clinical_criteria:
  • • Chronic hypertension without acute organ damage

Applicable To

  • • Chronic hypertension without acute complications

Important Notes

  • • Ensure chronicity is documented without acute findings.
Ancillary Codes

Additional codes that may be used with this diagnosis

N17.9

Acute kidney failure, unspecified

Use to specify acute kidney injury in the context of hypertensive emergency.

Frequently Asked Questions

What is the ICD-10 code for uncontrolled malignant hypertension?

The ICD-10 code for uncontrolled malignant hypertension is I16.1, used for hypertensive emergencies with acute organ damage.

How is uncontrolled malignant hypertension documented?

Document BP readings ≥180/120 mmHg, evidence of organ damage, and temporal relationship of symptoms to justify I16.1.

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