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OASIS edit -3100: Invalid Numeric Format

Edit -3100 is a fatal format 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 "Invalid Numeric Format". 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 17 items: CORRECTION_NUM, C0500, D0160, M1060_HEIGHT_A, M1060_WEIGHT_B, M1311_NBR_PRSULC_STG2_A1, and more. CMS's action: "Make appropriate corrections to the record and resubmit."

What CMS's data specification says about -3100

CMS's OASIS-E2 Data Submission Specifications V3.02.0 (HTML edit page oe_3100.html, generated 11/05/2025) list edit -3100 with edit type Format and severity Fatal. The edit text, as CMS publishes it:

FORMATTING OF POSITIVE INTEGER NUMERIC ITEMS Only positive integer values and the special values (if any) that are listed in the "Item Values" table of the Detailed Data Specifications Report will be accepted for this item. Leading zeroes may be included or omitted from the submitted value as long as the resulting length of the string does not exceed the allowed maximum length for the item. A decimal point and decimal values are not allowed. A sign will not be accepted. The following examples are allowable if the value to be submitted is equal to [1] and the maximum length is equal to 2: [1], [01]. The following values are NOT allowed and will lead to a fatal error: [1.], [1.0], [01.], [01.0], [1.1], [01.1], [1.01], [+1], [-2], [+1.3], [-4.5].

CMS's overview document defines this edit type: "Format edits specify special rules for formatting item values."

What the iQIES error message for -3100 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:

-3100

Error ID
-3100
Severity
Fatal
Type
Format
Error message
Invalid Numeric Format: Only positive, whole numbers and specified special characters are valid for this item.
Potential cause
The value submitted in this item is invalid; it is not one of the numeric values or special characters allowed.
Tips
• Numbers with a decimal point and one or more decimal places are not allowed for this item.
Action
Make appropriate corrections to the record and resubmit.
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 -3100 names 17 items.

Item IDDescription (CMS)Item page
CORRECTION_NUMCorrection numbernone yet
C0500BIMS Summary ScoreC0500
D0160Total severity scoreD0160
M1060_HEIGHT_AHeight (in inches)none yet
M1060_WEIGHT_BWeight (in pounds)none yet
M1311_NBR_PRSULC_STG2_A1Number of Stage 2 Pressure UlcersM1311
M1311_NBR_ULC_SOCROC_STG2_A2Number of Stage 2 pressure ulcers at SOC/ROCM1311
M1311_NBR_PRSULC_STG3_B1Number of Stage 3 Pressure UlcersM1311
M1311_NBR_ULC_SOCROC_STG3_B2Number of Stage 3 pressure ulcers at SOC/ROCM1311
M1311_NBR_PRSULC_STG4_C1Number of Stage 4 Pressure UlcersM1311
M1311_NBR_ULC_SOCROC_STG4_C2Number of Stage 4 pressure ulcers at SOC/ROCM1311
M1311_NSTG_DRSG_D1Num unstage pressure ulcer non-remov dressM1311
M1311_NSTG_DRSG_SOCROC_D2Num unstage pressure ulcer non-remov dress SOC/ROCM1311
M1311_NSTG_CVRG_E1Unstageable: coverage by slough or escharM1311
M1311_NSTG_CVRG_SOCROC_E2Unstageable: coverage by slough or eschar SOC/ROCM1311
M1311_NSTG_DEEP_TSUE_F1Unstageable: deep tissue injuryM1311
M1311_NSTG_DEEP_TSUE_SOCROC_F2Unstageable: deep tissue injury SOC/ROCM1311

Other current edits whose CMS Item List shares one or more items with -3100:

Edit IDSeverityTypeiQIES labelItems shared
-3090FatalFormatInvalid Value17
-5112FatalSkip patternNo label in the guide12
-5123FatalSkip patternNo label in the guide6
-5132FatalConsistencyNo label in the guide6
-5661FatalConsistencyNo label in the guide6
-5681FatalConsistencyNo label in the guide3
-5371FatalSkip patternInvalid Skip Pattern / Inconsistent M1311 Values2
-5372FatalConsistencyInconsistent M1311 Values2

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 -3100 fatal or a warning?

Fatal. CMS lists edit -3100 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 -3100?

CMS's Item List for edit -3100 names 17 items: CORRECTION_NUM, C0500, D0160, M1060_HEIGHT_A, M1060_WEIGHT_B, M1311_NBR_PRSULC_STG2_A1, M1311_NBR_ULC_SOCROC_STG2_A2, M1311_NBR_PRSULC_STG3_B1, M1311_NBR_ULC_SOCROC_STG3_B2, M1311_NBR_PRSULC_STG4_C1, M1311_NBR_ULC_SOCROC_STG4_C2, M1311_NSTG_DRSG_D1, and 5 more. The full list with descriptions is in the table above.

How do I fix OASIS edit -3100?

CMS's OASIS Error Message Reference Guide v2.4 gives this action for -3100: "Make appropriate corrections to the record and resubmit." Its tips: "• Numbers with a decimal point and one or more decimal places are not allowed for this item."

Which records does edit -3100 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_3100.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.