2024 ICD-10-CM Diagnosis Code Z3A.33
33 weeks gestation of pregnancy
- ICD-10-CM Code:
- Z3A.33
- ICD-10 Code for:
- 33 weeks gestation of pregnancy
- Is Billable?
- Yes - Valid for Submission
- Code Navigator:
Z3A.33 is a billable diagnosis code used to specify a medical diagnosis of 33 weeks gestation of pregnancy. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.
The code Z3A.33 is applicable to female patients aged 12 through 55 years inclusive. It is clinically and virtually impossible to use this code on a non-female patient outside the stated age range.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Gestation period, 33 weeks
- Third trimester pregnancy less than 36 weeks
Clinical Classification
Clinical Category is Gestational weeks
- CCSR Category Code: PRG002
- Inpatient Default CCSR: X - Not applicable.
- Outpatient Default CCSR: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.
Index to Diseases and Injuries References
The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).
- - Pregnancy (single) (uterine) - See Also: Delivery and Puerperal; - Z33.1
- - weeks of gestation
- - 33 weeks - Z3A.33
- - weeks of gestation
Code Edits
The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10-CM Code Edits are applicable to this code:
- Maternity diagnoses - The Medicare Code Editor detects inconsistencies in maternity cases by checking a patient's age and any diagnosis on the patient's record. The maternity code edits apply to patients age ange is 9–64 years inclusive (e.g., diabetes in pregnancy, antepartum pulmonary complication).
- Diagnoses for females only - The Medicare Code Editor detects inconsistencies between a patient’s sex and any diagnosis on the patient’s record, these edits apply to FEMALES only .
- Unacceptable principal diagnosis - There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis.
Present on Admission (POA)
Z3A.33 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here.
CMS POA Indicator Options and Definitions
POA Indicator | Reason for Code | CMS will pay the CC/MCC DRG? |
---|---|---|
Y | Diagnosis was present at time of inpatient admission. | YES |
N | Diagnosis was not present at time of inpatient admission. | NO |
U | Documentation insufficient to determine if the condition was present at the time of inpatient admission. | NO |
W | Clinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission. | YES |
1 | Unreported/Not used - Exempt from POA reporting. | NO |
Patient Education
Pregnancy
You're going to have a baby! It's an exciting time, but it can also feel a bit overwhelming. You may have a lot of questions, including what you can do to give your baby a healthy start. To keep you and your baby healthy during pregnancy, it is important to:
- Have regular visits with your health care provider. These prenatal care visits help make sure that you and your baby are healthy. And if there are any health problems, your provider can find them early. Getting treatment right away can cure many problems and prevent others.
- Eat healthy and drink plenty of water. Good nutrition during pregnancy includes eating a variety of
- Fruits
- Vegetables
- Whole grains
- Lean meats or other protein sources
- Low-fat dairy products
- Take prenatal vitamins. Pregnant women need higher amounts of certain vitamins and minerals, such as folic acid and iron.
- Be careful with medicines. Always check with your health care provider before you start or stop any medicine. This includes over-the-counter medicines and dietary or herbal supplements.
- Stay active. Physical activity can help you stay strong, feel and sleep better, and prepare your body for birth. Check with your provider about which types of activities are right for you.
- Avoid substances that could hurt your baby, such as alcohol, drugs, and tobacco.
Your body will keep changing as your baby grows. It can be hard to know whether a new symptom is normal or could be a sign of a problem. Check with your health care provider if something is bothering or worrying you.
[Learn More in MedlinePlus]
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.