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
O33- Maternal care for disproportion
2021 ICD-10-CM Diagnosis Code O33.8

2021 ICD-10-CM Diagnosis Code O33.8

Maternal care for disproportion of other origin

2016

2017

2018

2019

2020

2021

Billable/Specific Code

Maternity Dx (12-55 years)

O33.8 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 O33.8 became effective on October 1, 2020.
This is the American ICD-10-CM version of O33.8 - other international versions of ICD-10 O33.8 may differ.

ICD-10-CM Coding Rules

O33.8 is applicable to maternity patients aged 12 - 55 years inclusive.

The following code(s) above O33.8 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 O33.8:

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
O33
ICD-10-CM Diagnosis Code O33
Maternal care for disproportion
Includes
- the listed conditions as a reason for observation, hospitalization or other obstetric care of the mother, or for cesarean delivery before onset of labor
Type 1 Excludes
- disproportion with obstructed labor (O65-O66)
Maternal care for disproportion

ICD-10-CM O33.8 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 O33.8 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

Diagnosis Index entries containing back-references to O33.8:

Distortion(s) (congenital)
- lumbar spine Q76.49
  ICD-10-CM Diagnosis Code Q76.49
  Other congenital malformations of spine, not associated with scoliosis
  2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  Applicable To
  Congenital absence of vertebra NOS
  Congenital fusion of spine NOS
  Congenital malformation of lumbosacral (joint) (region) NOS
  Congenital malformation of spine NOS
  Hemivertebra NOS
  Malformation of spine NOS
  Platyspondylisis NOS
  Supernumerary vertebra NOS
  - with disproportion O33.8
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)
- complicated by (care of) (management affected by)
  - disproportion (due to) O33.9
    ICD-10-CM Diagnosis Code O33.9
    Maternal care for disproportion, unspecified
    2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
    Applicable To
    Maternal care for disproportion due to cephalopelvic disproportion NOS
    Maternal care for disproportion due to fetopelvic disproportion NOS
    - specified NEC O33.8

ICD-10-CM Codes Adjacent To O33.8

O33.6XX5 …… fetus 5

O33.6XX9 …… other fetus

O33.7 Maternal care for disproportion due to other fetal deformities

O33.7XX0 …… not applicable or unspecified

O33.7XX1 …… fetus 1

O33.7XX2 …… fetus 2

O33.7XX3 …… fetus 3

O33.7XX4 …… fetus 4

O33.7XX5 …… fetus 5

O33.7XX9 …… other fetus

O33.8 Maternal care for disproportion of other origin

O33.9 Maternal care for disproportion, unspecified

O34 Maternal care for abnormality of pelvic organs

O34.0 Maternal care for congenital malformation of uterus

O34.00 Maternal care for unspecified congenital malformation of uterus, unspecified trimester

O34.01 Maternal care for unspecified congenital malformation of uterus, first trimester

O34.02 Maternal care for unspecified congenital malformation of uterus, second trimester

O34.03 Maternal care for unspecified congenital malformation of uterus, third trimester

O34.1 Maternal care for benign tumor of corpus uteri

O34.10 …… unspecified trimester

O34.11 …… first trimester

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 O33.8

Maternal care for disproportion of other origin

Pregnancy, childbirth and the puerperium

Maternal care for disproportion

Other congenital malformations of spine, not associated with scoliosis

Pregnant state, incidental

Maternal care for disproportion, unspecified