401.1 BENIGN HYPERTENSION

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Code Information

Diagnosis Code: 401.1

Short Description: Benign hypertension

Long Description: Benign essential hypertension

Code Classification:

Diseases of the circulatory system (390–459)
- Hypertensive disease (401-405)
  - 401 Essential hypertension
    - 401.1 Benign hypertension

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 401.1 has the following ICD-9-CM references to the Index of Diseases and Injuries

Hypertension, hypertensive (arterial) (arteriolar) (crisis) (degeneration) (disease) (essential) (fluctuating) (idiopathic) (intermittent) (labile) (low renin) (orthostatic) (paroxysmal) (primary) (systemic) (uncontrolled) (vascular).......................................... 401.0......... 401.1......... 401.9
- with
  - chronic kidney disease
    - stage I through stage IV, or unspecified .................. 403.00....... 403.10....... 403.90
    - stage V or end stage renal disease ......................... 403.01....... 403.11....... 403.91
  - heart involvement (conditions classifiable to 429.0-429.3, 429.8, 429.9 due to hypertension) (see also Hypertension, heart).................................. 402.00....... 402.10....... 402.90
    - with kidney involvement � see Hypertension, cardiorenal
  - renal (kidney) involvement (only conditions classifiable to 585, 587) (excludes conditions classifiable to 584) (see also Hypertension, kidney)............................... 403.00....... 403.10....... 403.90
    - with heart involvement � see Hypertension, cardiorenal failure (and sclerosis) (see also Hypertension, kidney)................... 403.01....... 403.11....... 403.91
    - sclerosis without failure (see also Hypertension, kidney)....................................................... 403.00....... 403.10....... 403.90
- accelerated (see also Hypertension, by type, malignant)....... 401.0....... �� -.......... �� -
- antepartum � see Hypertension, complicating pregnancy, childbirth, or the puerperium
- borderline............................................................................... -................ -............ 796.2
- cardiorenal (disease)........................................................... 404.00....... 404.10....... 404.90
  - with
    - chronic kidney disease
      - stage I through stage IV, or unspecified ............ 404.00....... 404.10....... 404.90
        and heart failure.......................................... 404.01....... 404.11....... 404.91
      - stage V or end stage renal disease ................... 404.02....... 404.12....... 404.92
        and heart failure ......................................... 404.03....... 404.13....... 404.93
    - heart failure ........................................................... 404.01....... 404.11....... 404.91
      - and chronic kidney disease .............................. 404.01....... 404.11....... 404.91
        stage I through stage IV or unspecified........ 404.01....... 404.11....... 404.91
        
        stage V or end stage renal disease.............. 404.03....... 404.13....... 404.93
- cardiovascular disease (arteriosclerotic) (sclerotic)................ 402.00....... 402.10....... 402.90
  - with
    - heart failure ........................................................... 402.01....... 402.11....... 402.91
    - renal involvement (conditions classifiable to 403) (see also Hypertension, cardiorenal)................... 404.00....... 404.10....... 404.90
- cardiovascular renal (disease) (sclerosis) (see also Hypertension, cardiorenal)............................... 404.00....... 404.10....... 404.9
- cerebrovascular disease NEC.............................................. 437.2......... 437.2......... 437.2
- complicating pregnancy, childbirth, or the puerperium........... 642.2......... 642.0......... 642.9
  - with
    - albuminuria (and edema) (mild)..................................... -................ -............ 642.4
      - severe. -............................................................... -............ 642.5
    - chronic kidney disease............................................ 642.2......... 642.2......... 642.2
      - and heart disease.............................................. 642.2......... 642.2......... 642.2
    - edema (mild)............................................................... -................ -............ 642.4
      - severe.................................................................. -................ -............ 642.5
    - heart disease.......................................................... 642.2......... 642.2......... 642.2
      - and chronic kidney disease............................... 642.2......... 642.2......... 642.2
    - renal disease.......................................................... 642.2......... 642.2......... 642.2
      - and heart disease.............................................. 642.2......... 642.2......... 642.2
  - chronic......................................................................... 642.2......... 642.0......... 642.0
    - with pre-eclampsia or eclampsia.............................. 642.7......... 642.7......... 642.7
    - fetus or newborn..................................................... 760.0......... 760.0......... 760.0
  - essential........................................................................... -............ 642.0......... 642.0
    - with pre-eclampsia or eclampsia................................... -............ 642.7......... 642.7
    - fetus or newborn..................................................... 760.0......... 760.0......... 760.0
  - fetus or newborn........................................................... 760.0......... 760.0......... 760.0
  - gestational........................................................................ -................ -............ 642.3
  - pre-existing................................................................... 642.2......... 642.0......... 642.0
    - with pre-eclampsia or eclampsia.............................. 642.7......... 642.7......... 642.7
    - fetus or newborn..................................................... 760.0......... 760.0......... 760.0
  - secondary to renal disease............................................ 642.1......... 642.1......... 642.1
    - with pre-eclampsia or eclampsia.............................. 642.7......... 642.7......... 642.7
    - fetus or newborn..................................................... 760.0......... 760.0......... 760.0
  - transient............................................................................ -................ -............ 642.3
- due to
  - aldosteronism, primary.................................................. 405.09....... 405.19....... 405.99
  - brain tumor................................................................... 405.09....... 405.19....... 405.99
  - bulbar poliomyelitis....................................................... 405.09....... 405.19....... 405.99
  - calculus
    - kidney.................................................................... 405.09....... 405.19....... 405.99
    - ureter...................................................................... 405.09....... 405.19....... 405.99
  - coarctation, aorta.......................................................... 405.09....... 405.19....... 405.99
  - Cushing's disease......................................................... 405.09....... 405.19....... 405.99
  - glomerulosclerosis (see also Hypertension, kidney)........ 403.00....... 403.10....... 403.90
  - periarteritis nodosa....................................................... 405.09....... 405.19....... 405.99
  - pheochromocytoma...................................................... 405.09....... 405.19....... 405.99
  - polycystic kidney(s)...................................................... 405.09....... 405.19....... 405.99
  - polycythemia................................................................ 405.09....... 405.19....... 405.99
  - porphyria...................................................................... 405.09....... 405.19....... 405.99
  - pyelonephritis............................................................... 405.09....... 405.19....... 405.99
  - renal (artery)
    - aneurysm................................................................ 405.01....... 405.11....... 405.91
    - anomaly................................................................. 405.01....... 405.11....... 405.91
    - embolism............................................................... 405.01....... 405.11....... 405.91
    - fibromuscular hyperplasia........................................ 405.01....... 405.11....... 405.91
    - occlusion................................................................ 405.01....... 405.11....... 405.91
    - stenosis................................................................. 405.01....... 405.11....... 405.91
    - thrombosis............................................................. 405.01....... 405.11....... 405.91
- encephalopathy.................................................................. 437.2......... 437.2......... 437.2
- gestational (transient) NEC.................................................. �� -.......... �� -............ 642.3
- Goldblatt's.......................................................................... 440.1......... 440.1......... 440.1
- heart (disease) (conditions classifiable to 429.0-429.3, 429.8, 429.9 due to hypertension)........... 402.00....... 402.10....... 402.90
  - with
    - heart failure............................................................. 402.01....... 402.11....... 402.91
    - hypertensive kidney disease (conditions classifiable to 403) (see also Hypertension, cardiorenal)....... 404.00....... 404.10....... 404.90
    - renal sclerosis (see also Hypertension, cardiorenal).. 404.00....... 404.10....... 404.90
- intracranial, benign.................................................................. -............ 348.2............. -
- intraocular............................................................................... -................ -............ 365.04
- kidney. 403.00.................................................................... 403.10....... 403.90
  - with
    - chronic kidney disease
      - stage I through stage IV, or unspecified ............ 403.00....... 403.10....... 403.90
      - stage V or end stage renal disease ................... 403.01....... 403.11....... 403.91
    - heart involvement (conditions classifiable to� 429.0-429.3, 429.8, 429.9 due to hypertension) (see also Hypertension, cardiorenal)................... 404.00....... 404.10....... 404.90
    - hypertensive heart (disease) (conditions classifiable to� 402) (see also Hypertension, cardiorenal)..... 404.00....... 404.10....... 404.90
- lesser circulation..................................................................... -................ -............ 416.0
- necrotizing.......................................................................... 401.0............. -................ -
- ocular..................................................................................... -................ -............ 365.04
- pancreatic duct - code to underlying condition
  - with
    - chronic pancreatitis .................................................... -................ -............ 577.1
- portal (due to chronic liver disease).......................................... -................ -............ 572.3
- postoperative........................................................................................................ 997.91
- psychogenic........................................................................... -................ -............ 306.2
- puerperal, postpartum � see Hypertension, complicating pregnancy, childbirth, or the puerperium
- pulmonary (artery) (secondary)�� ...................................... -................ -............ 416.8
  - with
    - cor pulmonale (chronic)............................................... -................ -............ 416.8
      - acute.................................................................... -................ -............ 415.0
  - right heart ventricular strain/failure...................................... -................ -............ 416.8
    - acute.......................................................................... -................ -............ 415.0
  - idiopathic......................................................................................................... 416.0
  - primary............................................................................................................. 416.0
    - of newborn................................................................................................. 747.83
  - secondary......................................................................... -................ -............ 416.8
- renal (disease) (see also Hypertension, kidney)..................... 403.00....... 403.10....... 403.90
- renovascular NEC............................................................... 405.01....... 405.11....... 405.91
- secondary NEC................................................................... 405.09....... 405.19....... 405.99
  - due to
    - aldosteronism, primary............................................ 405.09....... 405.19....... 405.99
    - brain tumor............................................................. 405.09....... 405.19....... 405.99
    - bulbar poliomyelitis................................................. 405.09....... 405.19....... 405.99
    - calculus
      - kidney.............................................................. 405.09....... 405.19....... 405.99
      - ureter................................................................ 405.09....... 405.19....... 405.99
    - coarctation, aorta.................................................... 405.09....... 405.19....... 405.99
    - Cushing's disease................................................... 405.09....... 405.19....... 405.99
    - glomerulosclerosis (see also Hypertension, kidney).. 403.00....... 403.10....... 403.90
    - periarteritis nodosa................................................. 405.09....... 405.19....... 405.99
    - pheochromocytoma................................................ 405.09....... 405.19....... 405.99
    - polycystic kidney(s)................................................ 405.09....... 405.19....... 405.99
    - polycythemia.......................................................... 405.09....... 405.19....... 405.99
    - porphyria................................................................ 405.09....... 405.19....... 405.99
    - pyelonephritis......................................................... 405.09....... 405.19....... 405.99
    - renal (artery)
      - aneurysm.......................................................... 405.01....... 405.11....... 405.91
      - anomaly........................................................... 405.01....... 405.11....... 405.91
      - embolism......................................................... 405.01....... 405.11....... 405.91
      - fibromuscular hyperplasia.................................. 405.01....... 405.11....... 405.91
      - occlusion.......................................................... 405.01....... 405.11....... 405.91
      - stenosis........................................................... 405.01....... 405.11....... 405.91
      - thrombosis....................................................... 405.01....... 405.11....... 405.91
- transient.................................................................................. -................ -............ 796.2
  - of pregnancy.................................................................... -................ -............ 642.3
- venous, chronic (asymptomatic) (idiopathic)............................. -................ -............ 459.30
  - with
    - complication, NEC...................................................... -................ -............ 459.39
    - inflammation............................................................... -................ -............ 459.32
      - with ulcer.............................................................. -................ -............ 459.33
    - ulcer........................................................................... -................ -............ 459.31
      - with inflammation.................................................. -................ -............ 459.33
  - due to
    - deep vein thrombosis (see also Syndrome, postphlebitic)�� - ........................................ -................ -............ 459.10

Crosswalk Information

The code 401.1 converts into the following ICD-10 code(s):

ICD-9 Code		ICD-10 Code	ICD-10 Description
401.1		I10	Essential (primary) hypertension

This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code	ICD-9 Description
401.0	Malignant essential hypertension
401.9	Unspecified essential hypertension

This page was last updated on: 10/1/2014

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