October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed
Lifetime rate: $24/mo

OASIS edit -5201

Edit -5201 is a fatal consistency edit in CMS's OASIS-E2 data specifications V3.02.0, effective for records with completion dates on or after 2026-04-01. A fatal edit rejects the record: "Records with fatal errors will be rejected. All fatal errors in a record must be corrected and resubmitted." It checks 12 items: M1021_PRIMARY_DIAG_ICD, M1021_PRIMARY_DIAG_SEVERITY, M1023_OTH_DIAG1_ICD, M1023_OTH_DIAG1_SEVERITY, M1023_OTH_DIAG2_ICD, M1023_OTH_DIAG2_SEVERITY, and more. CMS's action: "Make appropriate corrections to the records and resubmit."

What CMS's data specification says about -5201

CMS's OASIS-E2 Data Submission Specifications V3.02.0 (HTML edit page oe_5201.html, generated 11/05/2025) list edit -5201 with edit type Consistency and severity Fatal. The edit text, as CMS publishes it:

If M0100_ASSMT_REASON=[01,03] and if character 1 of the Primary/Other ICD code in Column 2 is equal to [V,W,X,Y,Z,v,w,x,y,z], then the corresponding severity code must equal [^].

CMS's overview document defines this edit type: "Consistency edits define logical constraints among multiple items."

What the iQIES error message for -5201 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:

-5201

Error ID
-5201
Severity
Fatal
Type
Consistency
Error message
If M0100_ASSMT_REASON=[01,03] and if character 1 of the Primary/Other ICD code in Column 2 is equal to [V,W,X,Y,Z,v,w,x,y,z], then the corresponding severity code must equal [^].
Potential cause
The value(s) submitted in Column 2 of items M1021 (Primary Diagnosis) and M1023 (Other Diagnoses) are not consistent with the corresponding ICD severity code submitted.
Tips
IF M0100 is 01 or 03,AND the first character of an M1021 or M1023 ICD code is V, W, X, Y, Z, v, w, x, y, or z,THEN the corresponding severity code must be skipped [^].
Action
Make appropriate corrections to the records and resubmit.
Effective start date
2020-01-01
Effective end date
2099-12-31 (CMS uses this date for an open-ended entry)

Items this edit checks

CMS's Item List for -5201 names 12 items.

Item IDDescription (CMS)Item page
M1021_PRIMARY_DIAG_ICDPrimary diagnosis ICD codenone yet
M1021_PRIMARY_DIAG_SEVERITYPrimary diagnosis severity ratingnone yet
M1023_OTH_DIAG1_ICDOther diagnosis 1: ICD codeM1023
M1023_OTH_DIAG1_SEVERITYOther diagnosis 1: severity ratingM1023
M1023_OTH_DIAG2_ICDOther diagnosis 2: ICD codeM1023
M1023_OTH_DIAG2_SEVERITYOther diagnosis 2: severity ratingM1023
M1023_OTH_DIAG3_ICDOther diagnosis 3: ICD codeM1023
M1023_OTH_DIAG3_SEVERITYOther diagnosis 3: severity ratingM1023
M1023_OTH_DIAG4_ICDOther diagnosis 4: ICD codeM1023
M1023_OTH_DIAG4_SEVERITYOther diagnosis 4: severity ratingM1023
M1023_OTH_DIAG5_ICDOther diagnosis 5: ICD codeM1023
M1023_OTH_DIAG5_SEVERITYOther diagnosis 5: severity ratingM1023

Other current edits whose CMS Item List shares one or more items with -5201 (the broad -3060 value edit, which covers 365 items, is left out):

Edit IDSeverityTypeiQIES labelItems shared
-5211FatalConsistencyNo label in the guide12
-5221FatalConsistencyNo label in the guide12
-5001FatalConsistencyNo label in the guide6
-7045FatalFormatIncorrect ICD Format6
-4900FatalFormatIncorrect ICD Format1
-4991WarningConsistencyNo label in the guide1

What happens to the record

CMS's overview, section 6.4, on fatal edits: "Violation of a fatal edit will result in rejection of the submission file." CMS's iQIES error message guide: "Records with fatal errors will be rejected. All fatal errors in a record must be corrected and resubmitted."

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 -5201 fatal or a warning?

Fatal. CMS lists edit -5201 with severity Fatal in the OASIS-E2 data specifications V3.02.0. The CMS overview states: "Violation of a fatal edit will result in rejection of the submission file." The iQIES error guide adds: "Records with fatal errors will be rejected. All fatal errors in a record must be corrected and resubmitted."

Which OASIS items can trigger edit -5201?

CMS's Item List for edit -5201 names 12 items: M1021_PRIMARY_DIAG_ICD, M1021_PRIMARY_DIAG_SEVERITY, M1023_OTH_DIAG1_ICD, M1023_OTH_DIAG1_SEVERITY, M1023_OTH_DIAG2_ICD, M1023_OTH_DIAG2_SEVERITY, M1023_OTH_DIAG3_ICD, M1023_OTH_DIAG3_SEVERITY, M1023_OTH_DIAG4_ICD, M1023_OTH_DIAG4_SEVERITY, M1023_OTH_DIAG5_ICD, M1023_OTH_DIAG5_SEVERITY. The full list with descriptions is in the table above.

How do I fix OASIS edit -5201?

CMS's OASIS Error Message Reference Guide v2.4 gives this action for -5201: "Make appropriate corrections to the records and resubmit." Its tips: "IF M0100 is 01 or 03, AND the first character of an M1021 or M1023 ICD code is V, W, X, Y, Z, v, w, x, y, or z, THEN the corresponding severity code must be skipped [^]."

Which records does edit -5201 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

  1. CMS, OASIS-E2 Data Submission Specifications V3.02.0 FINAL (zip): HTML edit page oe_5201.html and 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)
  2. CMS, OASIS Data Submission Specifications Overview, Version 3.02.0, October 29, 2025 (in the same zip).
  3. 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.