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2. ICD-10 Codes
3. Chapter - O00-O9A
4. Section - O10-O16
5. Category - O16
6. O16.1

O16.1 - Unspecified maternal hypertension, first trimester

• Applicable to Unspecified maternal hypertension, first trimester
• The 2025 edition of ICD10-CM O16.1 became effective on October 1, 2024.
• This is the American ICD10-CM version of O16.1 - other international versions of ICD10 O16.1 may differ.
• O16.1 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

The following codes above O16.1 contain annotation back-references that may be applicable to O16.1:

• Chapter: O00-O9A - Pregnancy, childbirth and the puerperium
• Section: O10-O16 - Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
• Category: O16 - Unspecified maternal hypertension

Browse other similar CM codes:

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.