2020 ICD-10-CM Diagnosis Code O33.0

Maternal care for disproportion due to deformity of maternal pelvic bones

    2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
  • O33.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Matern care for disproprtn d/t deformity of matern pelv bone
  • The 2020 edition of ICD-10-CM O33.0 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of O33.0 - other international versions of ICD-10 O33.0 may differ.
ICD-10-CM Coding Rules
  • O33.0 is applicable to maternity patients aged 12 - 55 years inclusive.
Applicable To
  • Maternal care for disproportion due to pelvic deformity causing disproportion NOS
The following code(s) above O33.0 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 O33.0:
  • O00-O9A
    2020 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

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    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
Approximate Synonyms
  • Major abnormality of maternal bony pelvis
ICD-10-CM O33.0 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 817 Other antepartum diagnoses with o.r. Procedure with mcc
  • 818 Other antepartum diagnoses with o.r. Procedure with cc
  • 819 Other antepartum diagnoses with o.r. Procedure without cc/mcc
  • 831 Other antepartum diagnoses without o.r. Procedure with mcc
  • 832 Other antepartum diagnoses without o.r. Procedure with cc
  • 833 Other antepartum diagnoses without o.r. Procedure without cc/mcc

Convert O33.0 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

Diagnosis Index entries containing back-references to O33.0:
  • Anthropoid pelvis Q74.2
    ICD-10-CM Diagnosis Code Q74.2

    Other congenital malformations of lower limb(s), including pelvic girdle

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital fusion of sacroiliac joint
    • Congenital malformation of ankle joint
    • Congenital malformation of sacroiliac joint
    Type 1 Excludes
    • anteversion of femur (neck) (Q65.89)
    • with disproportion O33.0 (fetopelvic)
  • Cretin, cretinism (congenital) (endemic) (nongoitrous) (sporadic) E00.9
    ICD-10-CM Diagnosis Code E00.9

    Congenital iodine-deficiency syndrome, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Congenital iodine-deficiency hypothyroidism NOS
    • Endemic cretinism NOS
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • pelvis, pelvic (acquired) (bony) M95.5
      ICD-10-CM Diagnosis Code M95.5

      Acquired deformity of pelvis

        2016 2017 2018 2019 2020 Billable/Specific Code
      Type 1 Excludes
      • maternal care for known or suspected disproportion (O33.-)
  • Delivery (childbirth) (labor)
  • Flat
    • pelvis M95.5
      ICD-10-CM Diagnosis Code M95.5

      Acquired deformity of pelvis

        2016 2017 2018 2019 2020 Billable/Specific Code
      Type 1 Excludes
      • maternal care for known or suspected disproportion (O33.-)
  • Nägele's pelvis M95.5
    ICD-10-CM Diagnosis Code M95.5

    Acquired deformity of pelvis

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    • maternal care for known or suspected disproportion (O33.-)
  • Pithecoid pelvis Q74.2
    ICD-10-CM Diagnosis Code Q74.2

    Other congenital malformations of lower limb(s), including pelvic girdle

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital fusion of sacroiliac joint
    • Congenital malformation of ankle joint
    • Congenital malformation of sacroiliac joint
    Type 1 Excludes
    • anteversion of femur (neck) (Q65.89)
  • Platypelloid pelvis M95.5
    ICD-10-CM Diagnosis Code M95.5

    Acquired deformity of pelvis

      2016 2017 2018 2019 2020 Billable/Specific Code
    Type 1 Excludes
    • maternal care for known or suspected disproportion (O33.-)
  • Pregnancy (single) (uterine) - see also Delivery and Puerperal
  • Prominence, prominent
  • Rachitic - see also condition
    • pelvis (late effect) (sequelae) E64.3
      ICD-10-CM Diagnosis Code E64.3

      Sequelae of rickets

        2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
  • Robert's pelvis Q74.2
    ICD-10-CM Diagnosis Code Q74.2

    Other congenital malformations of lower limb(s), including pelvic girdle

      2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital fusion of sacroiliac joint
    • Congenital malformation of ankle joint
    • Congenital malformation of sacroiliac joint
    Type 1 Excludes
    • anteversion of femur (neck) (Q65.89)
  • Scoliotic pelvis
  • Spondylolisthesis (acquired) (degenerative) M43.10
    ICD-10-CM Diagnosis Code M43.10

    Spondylolisthesis, site unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
  • Spondylolysis (acquired) M43.00
    ICD-10-CM Diagnosis Code M43.00

    Spondylolysis, site unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
  • Spondylosis M47.9
    ICD-10-CM Diagnosis Code M47.9

    Spondylosis, unspecified

      2016 2017 2018 2019 2020 Billable/Specific Code
  • Tipping
    • pelvis M95.5
      ICD-10-CM Diagnosis Code M95.5

      Acquired deformity of pelvis

        2016 2017 2018 2019 2020 Billable/Specific Code
      Type 1 Excludes
      • maternal care for known or suspected disproportion (O33.-)

ICD-10-CM Codes Adjacent To O33.0
O32.8XX9 …… other fetus
O32.9 Maternal care for malpresentation of fetus, unspecified
O32.9XX0 …… not applicable or unspecified
O32.9XX1 …… fetus 1
O32.9XX2 …… fetus 2
O32.9XX3 …… fetus 3
O32.9XX4 …… fetus 4
O32.9XX5 …… fetus 5
O32.9XX9 …… other fetus
O33 Maternal care for disproportion
O33.0 Maternal care for disproportion due to deformity of maternal pelvic bones
O33.1 Maternal care for disproportion due to generally contracted pelvis
O33.2 Maternal care for disproportion due to inlet contraction of pelvis
O33.3 Maternal care for disproportion due to outlet contraction of pelvis
O33.3XX0 …… not applicable or unspecified
O33.3XX1 …… fetus 1
O33.3XX2 …… fetus 2
O33.3XX3 …… fetus 3
O33.3XX4 …… fetus 4
O33.3XX5 …… fetus 5
O33.3XX9 …… other fetus

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