Complete ICD-10-CM coding and documentation guide for icd-10 coding for pulmonary arterial hypertension includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Pulmonary Arterial Hypertension
Use ICD-10 code I27.0 for primary pulmonary hypertension, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Progressive systemic sclerosis
Use to indicate scleroderma as an underlying cause of secondary PAH.
HIV disease
Use to indicate HIV as an underlying cause of secondary PAH.
The ICD-10 code for idiopathic or heritable pulmonary arterial hypertension is I27.0, while secondary pulmonary arterial hypertension is coded as I27.21.
Pulmonary arterial hypertension is diagnosed using right heart catheterization, confirming mean PAP ≥20 mmHg, PAWP ≤15 mmHg, and PVR ≥3 Wood units.