HYPERTENSIVE DISEASE (401-405)

• Excludes: that complicating pregnancy, childbirth, or the puerperium (642.0-642.9)
  • that involving coronary vessels (410.00-414.9)
• 401 Essential hypertension
  • Includes: high blood pressure
    • hyperpiesia
    • hyperpiesis
    • hypertension (arterial) (essential) (primary) (systemic)
    • hypertensive vascular:
      • degeneration
      • disease
  • Excludes: elevated blood pressure without diagnosis of hypertension (796.2)
    • pulmonary hypertension (416.0-416.9)
    • that involving vessels of:
      • brain (430-438)
      • eye (362.11)
  • 401.0 Malignant
  • 401.1 Benign
  • 401.9 Unspecified
• 402 Hypertensive heart disease
  • Includes: hypertensive:
    • cardiomegaly
    • cardiopathy
    • cardiovascular disease
    • heart (disease) (failure)
    • any condition classifiable to 428, 429.0-429.3, 429.8, 429.9 due to hypertension
  • 402.0 Malignant
    • 402.00 Without congestive heart failure
    • 402.01 With congestive heart failure
  • 402.1 Benign
    • 402.10 Without congestive heart failure
    • 402.11 With congestive heart failure
  • 402.9 Unspecified
    • 402.90 Without congestive heart failure
    • 402.91 With congestive heart failure
• 403 Hypertensive renal disease
  • Includes: arteriolar nephritis
    • arteriosclerosis of:
      • kidney
      • renal arterioles
    • arteriosclerotic nephritis (chronic) (interstitial)
    • hypertensive:
      • nephropathy
      • renal failure
      • uremia (chronic)
    • nephrosclerosis
    • renal sclerosis with hypertension
    • any condition classifiable to 585, 586, or 587 with any condition classifiable to 401
  • Excludes: acute renal 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 without mention of renal failure
    • 1 with renal failure
  • 403.0 Malignant
  • 403.1 Benign
  • 403.9 Unspecified
• 404 Hypertensive heart and renal disease
  • Includes: disease:
    • cardiorenal
    • cardiovascular renal
    • any condition classifiable to 402 with any condition classifiable to 403
  • The following fifth-digit subclassification is for use with category 404:
    • 0 without mention of congestive heart failure or renal failure
    • 1 with congestive heart failure
    • 2 with renal failure
    • 3 with congestive heart failure and renal failure
  • 404.0 Malignant
  • 404.1 Benign
  • 404.9 Unspecified
• 405 Secondary hypertension
  • 405.0 Malignant
    • 405.01 Renovascular
    • 405.09 Other
  • 405.1 Benign
    • 405.11 Renovascular
    • 405.19 Other
  • 405.9 Unspecified
    • 405.91 Renovascular
    • 405.99 Other