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ICD-10-CM Codes
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O00-O9A
Pregnancy, childbirth and the puerperium
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O94-O9A
Other obstetric conditions, not elsewhere classified
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O99-
Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
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2022 ICD-10-CM Diagnosis Code O99.891
2022 ICD-10-CM Diagnosis Code O99.891
Other specified diseases and conditions complicating pregnancy
2021 - New Code 2022 Billable/Specific Code Maternity Dx (12-55 years)
- O99.891 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Oth diseases and conditions complicating pregnancy
- The 2022 edition of ICD-10-CM O99.891 became effective on October 1, 2021.
- This is the American ICD-10-CM version of O99.891 - other international versions of ICD-10 O99.891 may differ.
ICD-10-CM Coding Rules
- O99.891 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above
O99.891 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
O99.891:
- O00-O9A
2022 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperiumNote- CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
- Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
- Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
- 1st trimester- less than 14 weeks 0 days
- 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
- 3rd trimester- 28 weeks 0 days until delivery
Type 1 Excludes- supervision of normal pregnancy (Z34.-)
Type 2 Excludes- mental and behavioral disorders associated with the puerperium (F53.-)
- obstetrical tetanus (A34)
- postpartum necrosis of pituitary gland (E23.0)
- puerperal osteomalacia (M83.0)
Use Additional- code from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
- O99
ICD-10-CM Diagnosis Code O99
Other maternal diseases classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
Includes- conditions which complicate the pregnant state, are aggravated by the pregnancy or are a main reason for obstetric care
Type 2 Excludes- when the reason for maternal care is that the condition is known or suspected to have affected the fetus (O35-O36)
Use Additional- code to identify specific condition
- O99.8
ICD-10-CM Diagnosis Code O99.8
Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium
2016 2017 2018 2019 2020 2021 2022 Non-Billable/Non-Specific Code
Type 2 Excludes- genitourinary infections in pregnancy (O23.-)
- infection of genitourinary tract following delivery (O86.1-O86.4)
- malignant neoplasm complicating pregnancy, childbirth and the puerperium (O9A.1-)
- maternal care for known or suspected abnormality of maternal pelvic organs (O34.-)
- postpartum acute kidney failure (O90.4)
- traumatic injuries in pregnancy (O9A.2-)
Use Additional- code to identify condition
- 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
Code History
- 2021 (effective 10/1/2020): New code
- 2022 (effective 10/1/2021): No change
- Pregnancy (single) (uterine) Z33.1 - see also Delivery and Puerperal
ICD-10-CM Diagnosis Code Z33.1
Pregnant state, incidental
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Maternity Dx (12-55 years)
Applicable To- Pregnancy NOS
- Pregnant state NOS
Type 1 Excludes- complications of pregnancy (O00-O9A)
- pregnant state, gestational carrier (Z33.3)
ICD-10-CM Codes Adjacent To O99.891
O99.834 Other infection carrier state complicating childbirth
O99.835 Other infection carrier state complicating the puerperium
O99.84 Bariatric surgery status complicating pregnancy, childbirth and the puerperium
O99.840 Bariatric surgery status complicating pregnancy, unspecified trimester
O99.841 Bariatric surgery status complicating pregnancy, first trimester
O99.842 Bariatric surgery status complicating pregnancy, second trimester
O99.843 Bariatric surgery status complicating pregnancy, third trimester
O99.844 Bariatric surgery status complicating childbirth
O99.845 Bariatric surgery status complicating the puerperium
O99.89 Other specified diseases and conditions complicating pregnancy, childbirth and the puerperium
O99.891
Other specified diseases and conditions complicating pregnancy
O99.892 Other specified diseases and conditions complicating childbirth
O99.893 Other specified diseases and conditions complicating puerperium
O9A Maternal malignant neoplasms, traumatic injuries and abuse classifiable elsewhere but complicating pregnancy, childbirth and the puerperium
O9A.1 Malignant neoplasm complicating pregnancy, childbirth and the puerperium
O9A.11 Malignant neoplasm complicating pregnancy
O9A.12 Malignant neoplasm complicating childbirth
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
