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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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O12-
Gestational [pregnancy-induced] edema and proteinuria without hypertension
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2021 ICD-10-CM Diagnosis Code O12.00
2021 ICD-10-CM Diagnosis Code O12.00
Gestational edema, unspecified trimester
2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
- O12.00 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM O12.00 became effective on October 1, 2020.
- This is the American ICD-10-CM version of O12.00 - other international versions of ICD-10 O12.00 may differ.
ICD-10-CM Coding Rules
- O12.00 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above
O12.00 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
O12.00:
Approximate Synonyms
ICD-10-CM O12.00 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 O12.00 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 O12.00
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
O12.00
…… unspecified trimester
O12.04 …… complicating childbirth
O12.05 …… complicating the puerperium
O12.1 Gestational proteinuria
O12.10 …… unspecified trimester
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.