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ICD-10-CM Codes
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O00-O9A
Pregnancy, childbirth and the puerperium
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O30-O48
Maternal care related to the fetus and amniotic cavity and possible delivery problems
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O40-
Polyhydramnios
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2021 ICD-10-CM Diagnosis Code O40
2021 ICD-10-CM Diagnosis Code O40
Polyhydramnios
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- O40 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2021 edition of ICD-10-CM O40 became effective on October 1, 2020.
- This is the American ICD-10-CM version of O40 - other international versions of ICD-10 O40 may differ.
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as O40. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
IncludesIncludes Help
"Includes" further defines, or give examples of, the content of the code or category.
The following code(s) above
O40 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
O40:
Clinical Information
- A condition of abnormally high amniotic fluid volume, such as greater than 2,000 ml in the last trimester and usually diagnosed by ultrasonographic criteria (amniotic fluid index). It is associated with maternal diabetes mellitus; multiple pregnancy; chromosomal disorders; and congenital abnormalities.
- An excess quantity of amniotic fluid in the amniotic sac as compared to normal values.
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
Code annotations containing back-references to O40:
- 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 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 O40
O36.93 Maternal care for fetal problem, unspecified, third trimester
O36.93X0 …… not applicable or unspecified
O40
Polyhydramnios
O40.1 Polyhydramnios, first trimester
O40.1XX0 …… not applicable or unspecified
O40.2 Polyhydramnios, second trimester
O40.2XX0 …… not applicable or unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.