DiraChart MDS item reference

A0600BSection Av1.20.1Manual page A-13

Medicare number

This item is referenced against CMS MDS source materials. Verify coding against the current CMS RAI Manual, item set instructions, and facility documentation before submission.

Quick coding

Answer Codes

Use the item-specific response choices below when structured codes apply.

Response format: Text entry

A0600B — Medicare number
Enter the value requested for this item using the current CMS text entry format. Verify the entry against Manual page A-13 and the supporting facility documentation.

Item-specific instructions

Coding Guidance

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RAI Manual v1.20.1

Coding Instructions


Enter the Social Security Number (SSN) in A0600A,
one number per space starting with the leftmost space.
If no SSN is available for the resident (e.g., if the
resident is a recent immigrant or a child) the item may
be left blank. Note: A valid SSN should be submitted in
A0600A whenever it is available so that resident
matching can be performed as accurately as possible.

Enter Medicare number in A0600B exactly as it appears
on the resident’s documents.

For PPS assessments (A0310B = 01 or 08), the
Medicare number (A0600B) must be present (i.e., may
not be left blank).

A0600B must be a Medicare number.
DEFINITIONS
SOCIAL SECURITY
NUMBER
A tracking number assigned
to an individual by the U.S.
Federal government for
taxation, benefits, and
identification purposes.
MEDICARE NUMBER
An identifier assigned to an
individual for participation in
national health insurance
program. The Medicare
Health Insurance identifier is
different from the resident’s
Social Security Number
(SSN) and may contain both
letters and numbers.

Manual page A-13
MDS item matrix

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Official CMS source

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SourceCMS MDS 3.0 Item Matrix v1.20.1
Effective2025-10-01
Mapped locationManual page A-13
Reference details

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