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CPT® Assistant is the official word from the AMA on proper CPT® code usage. AAPC Coder's Code Connect add-on allows you to search all CPT® Assistant articles from 1990 to present by CPT® code to narrow the options to only related articles for quick coding guidance.

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The HCPCS Coding Clinic delivers the official guidance published quarterly by the American Hospital Association (AHA) Central Office on correct HCPCS level II code usage. Each issue offers consistent and accurate advice for the proper use of HCPCS and includes information on HCPCS reporting for hospitals HCPCS Level 1 (CPT®) and Level II codes, the latest code assignments from emerging technologies, and real examples.

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Malignant hypertensive renal disease (403.0)

ICD-9 code 403.0 for Malignant hypertensive renal disease is a medical classification as listed by WHO under the range -HYPERTENSIVE DISEASE (401-405).

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Code Descriptor and Instructional Notes
Malignant hypertensive renal disease


Includes: arteriolar nephritis

arteriosclerosis of:


renal arterioles

arteriosclerotic nephritis (chronic) (interstitial)



renal failure

uremia (chronic)


renal sclerosis with hypertension

any condition classifiable to 585 and 587 with any condition classifiable to 401

Excludes: acute kidney failure (584.5-584.9)

renal disease stated as not due to hypertension

renovascular hypertension (405.0-405.9 with fifth-digit 1)

The following fifth-digit subclassification is for use with category 403:

0 with chronic kidney disease stage I through stage IV, or unspecified

Use additional code to identify the stage of chronic kidney disease (585.1-585.4, 585.9)

1 with chronic kidney disease stage V or end stage renal disease

Use additional code to identify the stage of chronic kidney disease (585.5, 585.6)

ICD-9-CM Subcategories/Subclassifications
Category Notes
Chapter Specific Coding Guidelines
CC Exclusion List
Claims Edits
CMS Center

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