OASIS edit -3170: Incorrect CCN
Edit -3170 is a warning consistency edit in CMS's OASIS-E2 data specifications V3.02.0, effective for records with completion dates on or after 2026-04-01. iQIES reports it as "Incorrect CCN". A warning does not block the record: CMS's overview says a warning "will not prevent the submitted assessment data from being accepted and stored in the iQIES system." The iQIES error guide adds: "All warning errors should be reviewed and corrected if appropriate, to ensure the data uploaded is accurate and complete." It checks 1 item: M0010_CCN. CMS's action: "• Verify that the CCN in the encoding software is correct."
What CMS's data specification says about -3170
CMS's OASIS-E2 Data Submission Specifications V3.02.0 (HTML edit page oe_3170.html, generated 11/05/2025) list edit -3170 with edit type Consistency and severity Warning. The edit text, as CMS publishes it:
The value submitted for M0010_CCN (provider's CMS Certification Number -- CCN) will be compared with the value that is currently in the National Database. If the values do not match, a warning will be issued.
CMS's overview document defines this edit type: "Consistency edits define logical constraints among multiple items."
What the iQIES error message for -3170 says
CMS's OASIS Error Message Reference Guide v2.4 (Excel, posted 2026-02-05 on the QTSO reference manuals page) has 1 current entry for this edit. Each is copied in full, with whitespace normalised:
-3170
- Error ID
- -3170
- Severity
- Warning
- Type
- Consistency
- Error message
- Incorrect CCN: M0010 does not match the CMS Certification Number (CCN) in the iQIES System database for the agency identified in the file.
- Potential cause
- • The CMS Certification Number in this record differs from the CCN that is currently in the iQIES System database for this provider.• The value submitted in M0010 (CMS Certification Number) does not match the CCN on file in the iQIES System for the provider identified by the HHA_AGENCY_ID in this record.
- Tips
- The CCN was entered incorrectly into the encoding software that created the submission file.
- Action
- • Verify that the CCN in the encoding software is correct.
- Effective start date
- 2010-01-01
- Effective end date
- 2099-12-31 (CMS uses this date for an open-ended entry)
Items this edit checks
CMS's Item List for -3170 names 1 item.
| Item ID | Description (CMS) | Item page |
|---|---|---|
| M0010_CCN | Facility CMS certification number (CCN) | M0010 |
Related edits
Other current edits whose CMS Item List shares one or more items with -3170:
What happens to the record
CMS's overview, section 6.4, on warning edits: "Violation of a warning edit will result in a warning message on the user feedback report. However, a warning will not prevent the submitted assessment data from being accepted and stored in the iQIES system." CMS's iQIES error message guide: "All warning errors should be reviewed and corrected if appropriate, to ensure the data uploaded is accurate and complete."
Which records this edit applies to
Data specifications version 3.02 has an effective start date of 2026-04-01 and no end date (CMS overview, Table 1). CMS selects the edit set by the record's completion date: "When a submitted record is validated by the iQIES system, its completion date is evaluated and is used to load the appropriate set of edits for the specifications in effect on that date."
Frequently asked questions
Is OASIS edit -3170 fatal or a warning?
A warning. CMS lists edit -3170 with severity Warning in the OASIS-E2 data specifications V3.02.0. The CMS overview states: "Violation of a warning edit will result in a warning message on the user feedback report. However, a warning will not prevent the submitted assessment data from being accepted and stored in the iQIES system."
Which OASIS items can trigger edit -3170?
CMS's Item List for edit -3170 names 1 item: M0010_CCN. The full list with descriptions is in the table above.
How do I fix OASIS edit -3170?
CMS's OASIS Error Message Reference Guide v2.4 gives this action for -3170: "• Verify that the CCN in the encoding software is correct." Its tips: "The CCN was entered incorrectly into the encoding software that created the submission file."
Which records does edit -3170 apply to?
Under version 3.02 of the data specifications, records whose completion date, item M0090_INFO_COMPLETED_DT, is on or after 2026-04-01, the effective start date CMS gives that version. Records completed earlier are checked under the version in effect on their completion date (CMS overview, Table 1 and section 3.2); the effective start date on each guide entry above is the date CMS's error guide gives that entry. The CMS overview states: "When a submitted record is validated by the iQIES system, its completion date is evaluated and is used to load the appropriate set of edits for the specifications in effect on that date."
Sources
- CMS, OASIS-E2 Data Submission Specifications V3.02.0 FINAL (zip): HTML edit page
oe_3170.htmland the Unduplicated Edits By ID Report. https://www.cms.gov/files/zip/oasis-e2-data-specs-v3-02-0-final-zip.zip (download page: https://www.cms.gov/medicare/quality/home-health/data-specifications) - CMS, OASIS Data Submission Specifications Overview, Version 3.02.0, October 29, 2025 (in the same zip).
- CMS QTSO, OASIS Error Message Reference Guide v2.4 (Excel), posted 2026-02-05. https://qtso.cms.gov/system/files/qtso/OASIS%20Error%20Message%20Reference%20Guide%20FINAL%202.4.26.xlsx
CMS text on this page is copied from CMS's documents without rewording; whitespace is normalised, and one rendering artifact in CMS's HTML (a double quote standing in for an apostrophe) is corrected to the apostrophe in CMS's PDF report. This page is maintained by Logicly, which is not affiliated with CMS. Checked against the CMS files on 2026-10-16.