2019/2020

  1. ICD-10-CM Codes
    2. ›
  2. O00-O9A Pregnancy, childbirth and the puerperium
    3. ›
  3. O85-O92 Complications predominantly related to the puerperium
    4. ›
  4. O90- Complications of the puerperium, not elsewhere classified
    5. ›

2020 ICD-10-CM Diagnosis Code O90.9

Complication of the puerperium, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
  • O90.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM O90.9 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of O90.9 - other international versions of ICD-10 O90.9 may differ.
ICD-10-CM Coding Rules
  • O90.9 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above O90.9 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 O90.9:
  • 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
  • O85-O92
    2020 ICD-10-CM Range O85-O92

    Complications predominantly related to the puerperium

    Type 2 Excludes
    • mental and behavioral disorders associated with the puerperium (F53.-)
    • obstetrical tetanus (A34)
    • puerperal osteomalacia (M83.0)
    Complications predominantly related to the puerperium
Approximate Synonyms
  • Complication of pregnancy
  • Complication of puerperium
  • Complication of the puerperium
ICD-10-CM O90.9 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 769 Postpartum and post abortion diagnoses with o.r. Procedure
  • 776 Postpartum and post abortion diagnoses without o.r. Procedure

Convert O90.9 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 O90.9:

ICD-10-CM Codes Adjacent To O90.9
O90.0 Disruption of cesarean delivery wound
O90.1 Disruption of perineal obstetric wound
O90.2 Hematoma of obstetric wound
O90.3 Peripartum cardiomyopathy
O90.4 Postpartum acute kidney failure
O90.5 Postpartum thyroiditis
O90.6 Postpartum mood disturbance
O90.8 Other complications of the puerperium, not elsewhere classified
O90.81 Anemia of the puerperium
O90.89 Other complications of the puerperium, not elsewhere classified
O90.9 Complication of the puerperium, unspecified
O91 Infections of breast associated with pregnancy, the puerperium and lactation
O91.0 Infection of nipple associated with pregnancy, the puerperium and lactation
O91.01 Infection of nipple associated with pregnancy
O91.011 …… first trimester
O91.012 …… second trimester
O91.013 …… third trimester
O91.019 …… unspecified trimester
O91.02 Infection of nipple associated with the puerperium
O91.03 Infection of nipple associated with lactation
O91.1 Abscess of breast associated with pregnancy, the puerperium and lactation

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

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