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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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O41-
Other disorders of amniotic fluid and membranes
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2021 ICD-10-CM Diagnosis Code O41.00
2021 ICD-10-CM Diagnosis Code O41.00
Oligohydramnios, unspecified trimester
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
- O41.00 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 O41.00 became effective on October 1, 2020.
- This is the American ICD-10-CM version of O41.00 - other international versions of ICD-10 O41.00 may differ.
The following code(s) above
O41.00 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
O41.00:
- O00-O9A
2021 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.
- O41
ICD-10-CM Diagnosis Code O41
Other disorders of amniotic fluid and membranes
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Type 1 Excludes- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
- O41.0
ICD-10-CM Diagnosis Code O41.0
Oligohydramnios
2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
Applicable To- Oligohydramnios without rupture of membranes
- A condition of abnormally low amniotic fluid volume. Principal causes include malformations of fetal urinary tract; fetal growth retardation; gestational hypertension; nicotine poisoning; and prolonged pregnancy.
- A lower than normal volume of amniotic fluid observed by ultrasound during pregnancy.
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 O41.00
O40.9 Polyhydramnios, unspecified trimester
O40.9XX0 …… not applicable or unspecified
O41 Other disorders of amniotic fluid and membranes
O41.00
Oligohydramnios, unspecified trimester
O41.00X0 …… not applicable or unspecified
O41.01 Oligohydramnios, first trimester
O41.01X0 …… 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.
