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ICD-10-CM Codes
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O00-O9A
Pregnancy, childbirth and the puerperium
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O20-O29
Other maternal disorders predominantly related to pregnancy
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O23-
Infections of genitourinary tract in pregnancy
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2020 ICD-10-CM Diagnosis Code O23.599
Infection of other part of genital tract in pregnancy, unspecified trimester
2016 2017 2018 2019 2020 Billable/Specific Code Maternity Dx (12-55 years)
- O23.599 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Infection oth prt genital tract in pregnancy, unsp trimester
- The 2020 edition of ICD-10-CM O23.599 became effective on October 1, 2019.
- This is the American ICD-10-CM version of O23.599 - other international versions of ICD-10 O23.599 may differ.
ICD-10-CM Coding Rules
- O23.599 is applicable to maternity patients aged 12 - 55 years inclusive.
The following code(s) above
O23.599 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
O23.599:
- O00-O9A
2020 ICD-10-CM Range O00-O9A
Pregnancy, childbirth and the puerperiumNote- 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.
- O20-O29
2020 ICD-10-CM Range O20-O29
Other maternal disorders predominantly related to pregnancyType 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)
- O23
ICD-10-CM Diagnosis Code O23
Infections of genitourinary tract in pregnancy
2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
Type 2 Excludes- gonococcal infections complicating pregnancy, childbirth and the puerperium (O98.2)
- infections with a predominantly sexual mode of transmission NOS complicating pregnancy, childbirth and the puerperium (O98.3)
- syphilis complicating pregnancy, childbirth and the puerperium (O98.1)
- tuberculosis of genitourinary system complicating pregnancy, childbirth and the puerperium (O98.0)
- venereal disease NOS complicating pregnancy, childbirth and the puerperium (O98.3)
- Bacterial vaginitis in pregnancy
- Bacterial vaginosis in pregnancy
- Candida vaginitis in pregnancy
- Candidiasis of vagina in pregnancy
- Trichomonal vaginitis in pregnancy
- Trichomonas vaginitis in pregnancy
- Vaginitis in pregnancy
ICD-10-CM O23.599 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 O23.599 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
ICD-10-CM Codes Adjacent To O23.599
O23.519 Infections of cervix in pregnancy, unspecified trimester
O23.52 Salpingo-oophoritis in pregnancy
O23.59 Infection of other part of genital tract in pregnancy
O23.599
…… unspecified trimester
O23.9 Unspecified genitourinary tract infection in pregnancy
O23.90 …… unspecified trimester
O24 Diabetes mellitus in pregnancy, childbirth, and the puerperium
O24.0 Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium
O24.01 Pre-existing type 1 diabetes mellitus, in pregnancy
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
