ICD Code I10-

ICD code I10 is essential (primary) hypertension, which refers to high blood pressure that does not have a known secondary cause.

1. Consistently elevated systolic blood pressure ≥140 mm Hg and/or diastolic blood pressure ≥90 mm Hg on at least two separate readings on different occasions

2. Absence of a secondary cause for elevated blood pressure

3. Patient is an adult (typically age 18 or older)

4. May be asymptomatic or present with symptoms such as headache, dizziness, or visual disturbances

5. No evidence of acute end-organ damage at the time of diagnosis

Relevant CPT codes that may be used to treat ICD code I10 include:

99201–99215 (Office or other outpatient evaluation and management services)

93000 (Electrocardiogram, routine ECG with at least 12 leads; with interpretation and report)

93784, 93788, 93790 (Ambulatory blood pressure monitoring)

36415 (Collection of venous blood by venipuncture)

80048, 80053 (Basic or comprehensive metabolic panel)

81000–81003 (Urinalysis)

99406–99407 (Smoking and tobacco use cessation counseling visit)

99401–99404 (Preventive medicine counseling and/or risk factor reduction intervention)

96372 (Therapeutic, prophylactic, or diagnostic injection)

JNC8-recommended antihypertensive medication administration codes (e.g., JNC8-related J-codes for medications)

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