2023

  1. ICD-10-CM Codes
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  2. Z00-Z99
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  3. Z30-Z3A
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  4. Z3A-
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  5. 2023 ICD-10-CM Diagnosis Code Z3A.0

2023 ICD-10-CM Diagnosis Code Z3A.0

Weeks of gestation of pregnancy, unspecified or less than 10 weeks

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • Z3A.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Weeks of gestation of pregnancy, unsp or less than 10 weeks
  • The 2023 edition of ICD-10-CM Z3A.0 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of Z3A.0 - other international versions of ICD-10 Z3A.0 may differ.
The following code(s) above Z3A.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 Z3A.0:
  • Z00-Z99
    2023 ICD-10-CM Range Z00-Z99

    Factors influencing health status and contact with health services

    Note
    • Z codes represent reasons for encounters. A corresponding procedure code must accompany a Z code if a procedure is performed. Categories Z00-Z99 are provided for occasions when circumstances other than a disease, injury or external cause classifiable to categories A00-Y89 are recorded as 'diagnoses' or 'problems'. This can arise in two main ways:
    • (a) When a person who may or may not be sick encounters the health services for some specific purpose, such as to receive limited care or service for a current condition, to donate an organ or tissue, to receive prophylactic vaccination (immunization), or to discuss a problem which is in itself not a disease or injury.
    • (b) When some circumstance or problem is present which influences the person's health status but is not in itself a current illness or injury.
    Factors influencing health status and contact with health services
  • Z3A
    ICD-10-CM Diagnosis Code Z3A

    Weeks of gestation

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    Note
    • Codes from category Z3A are for use, only on the maternal record, to indicate the weeks of gestation of the pregnancy, if known.
    Weeks of gestation
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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To Z3A.0
Z36.83 Encounter for fetal screening for congenital cardiac abnormalities
Z36.84 Encounter for antenatal screening for fetal lung maturity
Z36.85 Encounter for antenatal screening for Streptococcus B
Z36.86 Encounter for antenatal screening for cervical length
Z36.87 Encounter for antenatal screening for uncertain dates
Z36.88 Encounter for antenatal screening for fetal macrosomia
Z36.89 Encounter for other specified antenatal screening
Z36.8A Encounter for antenatal screening for other genetic defects
Z36.9 Encounter for antenatal screening, unspecified
Z3A Weeks of gestation
Z3A.0 Weeks of gestation of pregnancy, unspecified or less than 10 weeks
Z3A.00 Weeks of gestation of pregnancy not specified
Z3A.01 Less than 8 weeks gestation of pregnancy
Z3A.08 8 weeks gestation of pregnancy
Z3A.09 9 weeks gestation of pregnancy
Z3A.1 Weeks of gestation of pregnancy, weeks 10-19
Z3A.10 10 weeks gestation of pregnancy
Z3A.11 11 weeks gestation of pregnancy
Z3A.12 12 weeks gestation of pregnancy
Z3A.13 13 weeks gestation of pregnancy
Z3A.14 14 weeks gestation of pregnancy

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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