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ICD-10-CM Codes
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O00-O9A
Pregnancy, childbirth and the puerperium
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O10-O16
Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium
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O16-
Unspecified maternal hypertension
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2019 ICD-10-CM Diagnosis Code O16
Unspecified maternal hypertension
2016 2017 2018 2019 Non-Billable/Non-Specific Code
- O16 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2019 edition of ICD-10-CM O16 became effective on October 1, 2018.
- This is the American ICD-10-CM version of O16 - other international versions of ICD-10 O16 may differ.
The following code(s) above
O16 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
O16:
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
Code annotations containing back-references to O16:
ICD-10-CM Codes Adjacent To O16
O14.94 …… complicating childbirth
O14.95 …… complicating the puerperium
O15.0 Eclampsia complicating pregnancy
O15.00 …… unspecified trimester
O15.1 Eclampsia complicating labor
O15.2 Eclampsia complicating the puerperium
O15.9 Eclampsia, unspecified as to time period
O16
Unspecified maternal hypertension
O16.1 Unspecified maternal hypertension, first trimester
O16.2 Unspecified maternal hypertension, second trimester
O16.3 Unspecified maternal hypertension, third trimester
O16.4 Unspecified maternal hypertension, complicating childbirth
O16.5 Unspecified maternal hypertension, complicating the puerperium
O16.9 Unspecified maternal hypertension, unspecified trimester
O20 Hemorrhage in early pregnancy
O20.0 Threatened abortion
O20.8 Other hemorrhage in early pregnancy
O20.9 Hemorrhage in early pregnancy, unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
