Home Health Agencies (HHAs): OASIS Information

This webpage provides resources and information pertaining to the Outcome and Assessment Information Set (OASIS) that is required to be completed by Medicare certified home health agencies (HHAs) for skilled, adult, non-maternity, Medicare and/or Medicaid patients.

Wisconsin OASIS Contacts

  • OASIS Automation Coordinator
    Provides OASIS technical support
  • OASIS Education Coordinator
    Provides OASIS content guidance (interpretation and intended use)

General OASIS Information

Coding HIV or STD Diagnosis

There is no Wisconsin state law prohibiting reporting of HIV or STD diagnosis codes. Effective with the implementation of the OASIS C1-ICD-10 dataset on October 1, 2015, home health agencies should code HIV and STD diagnosis codes for appropriate patients.


Updated Section GG Web-based Training Course

CMS has developed a web-based training course on how to properly code of Section GG. This 45-minute course and is divided into the following four lessons and includes interactive exercises that allow you to test your knowledge in real life scenarios. This training can be accessed on the Home Health Quality Reporting Training webpage.

  • Lesson 1: Importance of Section GG for Post-Acute Care
  • Lesson 2: Section GG Assessment and Coding Principles
  • Lesson 3: Coding GG0130.Self-Care Items
  • Lesson 4: Coding GG0170.Mobility Items

WI OASIS Educational Forum

DQA sponsors a quarterly educational venue to assist Wisconsin HHAs to keep current with evolving OASIS information.

Each OASIS Educational Forum will be conducted over the internet utilizing the Adobe Connect Meeting software. Adobe Connect Meeting is web-conferencing software that allows users to connect to live meetings/presentations over the internet.

OASIS Educational Forum:

To attend the OASIS Educational Forum:

  • Join Zoom forum (select this link to go straight to the room without needing to enter the meeting ID and password)
    • Meeting ID: 915-0385-0631
  • Or by Phone: 312-626-6799
    • Enter 91503850631# when asked for the meeting ID
    • Enter # if asked for participant ID

Recordings and Agendas of Previous Forums:

CMS YouTube Training Video

This training video was developed prior to the OASIS-C Training Modules noted above.



Technical Assistance

Important: Do not include personally identifiable information in emails. If you have a question about an error on a Final Validation Report, please contact Emily Virnig with the Submission ID and the Record Number of the OASIS record with the error. Do not ever attached a copy of a Final Validation Report to an email.

iQIES – Enhanced Assessment Submission and Processing System/User Tool for Home Health Providers for January 1, 2020

CMS is implementing Internet Quality Improvement and Evaluation System (iQIES). January 2020, HHAs will have access to a new patient assessment upload and reporting interface that will replace the current Assessment Submission & Processing (ASAP) and the Certification and Survey Provider Enhanced Reports (CASPER) submission and reporting systems. This release will also include the ability for HHA providers and vendors to create assessments in iQIES, replacing the jHAVEN user tool.

Training on iQIES – YouTube Videos

Data Specifications

QIES Technical Support Office (QTSO)

The QTSO website provides information and resources for CMS applications and programs including home health.

OASIS Correction Policy

OASIS Assessment Deletion Request

Refer to the OASIS Correction Policy for HHAs (above) for information on when to request a deletion of an OASIS record. Email Emily Virnig to obtain the required CMS form that must be completed to request a removal of a previously submitted and accepted OASIS record.

Quality Measures

Quality Measures: Outcome, Process, and Potentially Avoidable Events

Last Revised: July 28, 2021