BA04

Secondary hypertension

Secondary hypertension

Classification

ICD-11

Parent Code

BlockL1-BA0

Child Codes

5

WHO Foundation

View on WHO

Child Codes (5)

ICD-10 Equivalents

View full mapping

Corresponding ICD-10-CM codes from the WHO crosswalk mapping

Also Known As / Clinical Terms

Frequently Asked Questions

What is the ICD-11 code for secondary hypertension?

The ICD-11 code for secondary hypertension is BA04. The full clinical description is "Secondary hypertension".

What does ICD-11 code BA04 mean?

ICD-11 code BA04 represents "Secondary hypertension". It is classified under Chapter 11: Diseases of the Circulatory System.

What chapter is BA04 in?

BA04 is in Chapter 11: Diseases of the Circulatory System (codes BA00-BE2Z).

What is the ICD-10 equivalent of ICD-11 code BA04?

BA04 maps to 6 ICD-10 codes: I10-I15, I13 (Hypertensive heart and chronic kidney disease), I13.0 (Hyp hrt & chr kdny dis w hrt fail and stg 1-4/unsp chr kdny), and 3 more. ICD-10 and ICD-11 do not always have one-to-one mappings — check the mapping type (equivalent, approximate, narrower, or broader) for each result.

What is the difference between ICD-10 and ICD-11?

ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.

What are the subcategories under BA04?

BA04 has 5 child codes, including: BA04.0 (Combined diastolic and systolic secondary hypertension), BA04.1 (Isolated diastolic secondary hypertension), BA04.2 (Isolated systolic secondary hypertension), BA04.Y (Other specified secondary hypertension), and 1 more.

What SNOMED CT codes does BA04 map to?

BA04 maps to 10 SNOMED CT concepts: 15781000119107, 1474004, 49102001, 194779001, 59733002, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.

What UMLS concepts map to ICD-11 code BA04?

BA04 is linked to 7 UMLS Concept Unique Identifiers: C0155601, C0264656, C1719469, C4290136, C2882081, and 2 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

Automate Medical Coding With AI

Send clinical text to the AutoICD API and get back structured ICD-10 and ICD-11 codes with confidence scores. Integrates into any EHR or billing system in minutes.

Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.