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
O30- Multiple gestation
2021 ICD-10-CM Diagnosis Code O30.01

2021 ICD-10-CM Diagnosis Code O30.01

Twin pregnancy, monochorionic/monoamniotic

2016

2017

2018

2019

2020

2021

Non-Billable/Non-Specific Code

O30.01 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 O30.01 became effective on October 1, 2020.
This is the American ICD-10-CM version of O30.01 - other international versions of ICD-10 O30.01 may differ.

Applicable To

Twin pregnancy, one placenta, one amniotic sac

Type 1 Excludes

Type 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 O30.01. 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.

conjoined twins (
ICD-10-CM Diagnosis Code O30.02
Conjoined twin pregnancy
O30.02-
)

The following code(s) above O30.01 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 O30.01:

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
O30
ICD-10-CM Diagnosis Code O30
Multiple gestation
Code Also
- any complications specific to multiple gestation
Multiple gestation

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

Diagnosis Index entries containing back-references to O30.01:

Pregnancy (single) (uterine) Z33.1
- see also Delivery and Puerperal
ICD-10-CM Diagnosis Code Z33.1
Pregnant state, incidental
Applicable To
Pregnancy NOS
Pregnant state NOS
Type 1 Excludes
complications of pregnancy (O00-O9A)
pregnant state, gestational carrier (Z33.3)
- twin O30.00-
  ICD-10-CM Diagnosis Code O30.00-
  Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs
  2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  - monochorionic/monoamniotic O30.01- (one placenta, one amniotic sac)

ICD-10-CM Codes Adjacent To O30.01

O29.91 …… first trimester

O29.92 …… second trimester

O29.93 …… third trimester

O30 Multiple gestation

O30.0 Twin pregnancy

O30.00 Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs

O30.001 …… first trimester

O30.002 …… second trimester

O30.003 …… third trimester

O30.009 …… unspecified trimester

O30.01 Twin pregnancy, monochorionic/monoamniotic

O30.011 …… first trimester

O30.012 …… second trimester

O30.013 …… third trimester

O30.019 …… unspecified trimester

O30.02 Conjoined twin pregnancy

O30.021 …… first trimester

O30.022 …… second trimester

O30.023 …… third trimester

O30.029 …… unspecified trimester

O30.03 Twin pregnancy, monochorionic/diamniotic

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 O30.01

Twin pregnancy, monochorionic/monoamniotic

Conjoined twin pregnancy

Pregnancy, childbirth and the puerperium

Multiple gestation

Pregnant state, incidental

Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs