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AHA Coding Clinic® for ICD-9 - 1990 Third Quarter

Coding Guidelines

The following guidelines were recently reaffirmed by the Cooperating Parties for publication in Coding Clinic: Hypertension Fetal Conditions Affecting the Management of the Mother Maternal Causes of Perinatal Morbidity Multiple Injuries Essential hypertension Heart disease with hypertension Hypertension with renal disease/ chronic renal failure Heart and renal disease, hypertensive Cerebrovascular disease, hypertensive Retinopathy, hypertensive Secondary hypertension Transient hypertension Controlled hypertension Uncontrolled hypertension Blood pressure, elevated Guidelines for Hypertension Hypertension, Essential, or NOS Assign hypertension (arterial) (essential) (primary) (systemic) (NOS) to category code 401 with the appropriate fourth digit to indicate malignant (.0), benign (.1), or unspecified (...

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