O10.9
Non-billableUnsp pre-existing hypertension compl preg/chldbrth
Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- pre-existing hypertension with pre-existing proteinuria complicating pregnancy, childbirth and the puerperium
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- supervision of normal pregnancy (Z34.-)
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
- code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
Child Codes (3)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code O10.9?
ICD-10-CM code O10.9 represents "Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium". It is a non-billable header code — use a more specific child code for billing purposes.
Is O10.9 a billable code?
No, O10.9 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under O10.9.
What chapter is O10.9 in?
O10.9 is in Chapter 15: Pregnancy, Childbirth and the Puerperium (codes O00-O9A).
What codes cannot be used with O10.9?
O10.9 has Excludes1 notes indicating codes that cannot be used together with it, including: supervision of normal pregnancy (Z34.-).
What are the subcategories under O10.9?
O10.9 has 3 child codes, including: O10.91 (Unspecified pre-existing hypertension complicating pregnancy), O10.92 (Unsp pre-existing hypertension complicating childbirth), O10.93 (Unsp pre-existing hypertension complicating the puerperium).
Are additional codes required with O10.9?
Yes, when using O10.9 you should also code: code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known..
What are the UMLS CUIs for O10.9?
O10.9 is linked to 1 UMLS Concept Unique Identifier: C0495177. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.