2021

  1. ICD-10-CM Codes
    2. ›
  2. O00-O9A Pregnancy, childbirth and the puerperium
    3. ›
  3. O20-O29 Other maternal disorders predominantly related to pregnancy
    4. ›
  4. O26- Maternal care for other conditions predominantly related to pregnancy
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code O26.899

2021 ICD-10-CM Diagnosis Code O26.899

Other specified pregnancy related conditions, unspecified trimester

    2016 2017 2018 2019 2020 2021 Billable/Specific Code Maternity Dx (12-55 years)
  • O26.899 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Oth pregnancy related conditions, unspecified trimester
  • The 2021 edition of ICD-10-CM O26.899 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of O26.899 - other international versions of ICD-10 O26.899 may differ.
ICD-10-CM Coding Rules
  • O26.899 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above O26.899 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 O26.899:
  • 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
  • O20-O29
    2021 ICD-10-CM Range O20-O29

    Other maternal disorders predominantly related to pregnancy

    Type 2 Excludes
    • maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
    • maternal diseases classifiable elsewhere but complicating pregnancy, labor and delivery, and the puerperium (O98-O99)
    Other maternal disorders predominantly related to pregnancy
Approximate Synonyms
  • Diarrhea in pregnancy
  • Dysuria (painful urination) in pregnancy
  • Dysuria in pregnancy
  • Maternal complication in utero procedure, in pregnancy
  • Maternal complication of in utero procedure
  • Pain in round ligament in pregnancy
  • Pruritus gravidarum (abnormal gallbladder function in pregnancy)
  • Pruritus of pregnancy
  • Rhinitis of pregnancy
  • Round ligament pain in pregnancy
  • Urinary frequency in pregnancy
  • Urinary urgency in pregnancy
ICD-10-CM O26.899 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 O26.899 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 O26.899
O26.859 …… unspecified trimester
O26.86 Pruritic urticarial papules and plaques of pregnancy (PUPPP)
O26.87 Cervical shortening
O26.872 …… second trimester
O26.873 …… third trimester
O26.879 …… unspecified trimester
O26.89 Other specified pregnancy related conditions
O26.891 …… first trimester
O26.892 …… second trimester
O26.893 …… third trimester
O26.899 …… unspecified trimester
O26.9 Pregnancy related conditions, unspecified
O26.90 …… unspecified trimester
O26.91 …… first trimester
O26.92 …… second trimester
O26.93 …… third trimester
O28 Abnormal findings on antenatal screening of mother
O28.0 Abnormal hematological finding on antenatal screening of mother
O28.1 Abnormal biochemical finding on antenatal screening of mother
O28.2 Abnormal cytological finding on antenatal screening of mother
O28.3 Abnormal ultrasonic finding on antenatal screening of mother

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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