ICD-10-CM Codes
O00-O9A Pregnancy, childbirth and the puerperium
O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems
O40- Polyhydramnios
2021 ICD-10-CM Diagnosis Code O40.9XX9

2021 ICD-10-CM Diagnosis Code O40.9XX9

Polyhydramnios, unspecified trimester, other fetus

2016

2017

2018

2019

2020

2021

Billable/Specific Code

Maternity Dx (12-55 years)

O40.9XX9 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 O40.9XX9 became effective on October 1, 2020.
This is the American ICD-10-CM version of O40.9XX9 - other international versions of ICD-10 O40.9XX9 may differ.

ICD-10-CM Coding Rules

O40.9XX9 is applicable to maternity patients aged 12 - 55 years inclusive.

The following code(s) above O40.9XX9 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 O40.9XX9:

O00-O9A
2021 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperium
Note
- 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.
Pregnancy, childbirth and the puerperium
O40
ICD-10-CM Diagnosis Code O40
Polyhydramnios
Includes
- hydramnios
Type 1 Excludes
- encounter for suspected maternal and fetal conditions ruled out (Z03.7-)
Polyhydramnios

ICD-10-CM O40.9XX9 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 O40.9XX9 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 O40.9XX9

O40.3XX4 …… fetus 4

O40.3XX5 …… fetus 5

O40.3XX9 …… other fetus

O40.9 Polyhydramnios, unspecified trimester

O40.9XX0 …… not applicable or unspecified

O40.9XX1 …… fetus 1

O40.9XX2 …… fetus 2

O40.9XX3 …… fetus 3

O40.9XX4 …… fetus 4

O40.9XX5 …… fetus 5

O40.9XX9 …… other fetus

O41 Other disorders of amniotic fluid and membranes

O41.0 Oligohydramnios

O41.00 Oligohydramnios, unspecified trimester

O41.00X0 …… not applicable or unspecified

O41.00X1 …… fetus 1

O41.00X2 …… fetus 2

O41.00X3 …… fetus 3

O41.00X4 …… fetus 4

O41.00X5 …… fetus 5

O41.00X9 …… other fetus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code O40.9XX9

Polyhydramnios, unspecified trimester, other fetus

Pregnancy, childbirth and the puerperium

Polyhydramnios