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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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O10-
Pre-existing hypertension complicating pregnancy, childbirth and the puerperium
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2021 ICD-10-CM Diagnosis Code O10.919
2021 ICD-10-CM Diagnosis Code O10.919
Unspecified pre-existing hypertension complicating pregnancy, unspecified trimester
2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
- O10.919 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Unsp pre-existing htn comp pregnancy, unsp trimester
- The 2021 edition of ICD-10-CM O10.919 became effective on October 1, 2020.
- This is the American ICD-10-CM version of O10.919 - other international versions of ICD-10 O10.919 may differ.
ICD-10-CM Coding Rules
- O10.919 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above
O10.919 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
O10.919:
Approximate Synonyms
- Pre-eclampsia added to pre-existing hypertension
- Pre-existing hypertension complicating and/or reason for care during pregnancy
- Preeclampsia with preexisting hypertension
- Preexisting hypertension in pregnancy
ICD-10-CM O10.919 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 817 Other antepartum diagnoses with o.r. Procedures with mcc
- 818 Other antepartum diagnoses with o.r. Procedures with cc
- 819 Other antepartum diagnoses with o.r. Procedures without cc/mcc
- 831 Other antepartum diagnoses without o.r. Procedures with mcc
- 832 Other antepartum diagnoses without o.r. Procedures with cc
- 833 Other antepartum diagnoses without o.r. Procedures without cc/mcc
Convert O10.919 to ICD-9-CM
Code History
- 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
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To O10.919
O10.42 Pre-existing secondary hypertension complicating childbirth
O10.43 Pre-existing secondary hypertension complicating the puerperium
O10.9 Unspecified pre-existing hypertension complicating pregnancy, childbirth and the puerperium
O10.91 Unspecified pre-existing hypertension complicating pregnancy
O10.919
…… unspecified trimester
O10.92 Unspecified pre-existing hypertension complicating childbirth
O10.93 Unspecified pre-existing hypertension complicating the puerperium
O11 Pre-existing hypertension with pre-eclampsia
O11.1 Pre-existing hypertension with pre-eclampsia, first trimester
O11.2 Pre-existing hypertension with pre-eclampsia, second trimester
O11.3 Pre-existing hypertension with pre-eclampsia, third trimester
O11.4 Pre-existing hypertension with pre-eclampsia, complicating childbirth
O11.5 Pre-existing hypertension with pre-eclampsia, complicating the puerperium
O11.9 Pre-existing hypertension with pre-eclampsia, unspecified trimester
O12 Gestational [pregnancy-induced] edema and proteinuria without hypertension
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.