DiraChart MDS item reference

A1550BSection Av1.20.1Manual page A-33

ID/DD status: Autism

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

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Response format: Check all that apply

Checked

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Not checked

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Item-specific instructions

Coding Guidance

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RAI Manual v1.20.1

Steps for Assessment

1. If resident is 22 years of age or older on the ARD, complete
only if A0310A = 01 (Admission assessment).
2. If resident is 21 years of age or younger on the ARD,
complete if A0310A = 01, 03, 04, or 05 (Admission
assessment, Annual assessment, SCSA, Significant
Correction to Prior Comprehensive Assessment).

Manual page A-33
RAI Manual v1.20.1

Coding Instructions


Check all conditions related to ID/DD status that were
present before age 22.

When age of onset is not specified, assume that the
condition meets this criterion AND is likely to continue
indefinitely.

Code A: if Down syndrome is present.

Code B: if autism is present.

Code C: if epilepsy is present.

Code D: if other organic condition related to ID/DD is present.
DEFINITIONS
DOWN SYNDROME
A common genetic disorder
in which a child is born with
47 rather than 46
chromosomes, resulting in
developmental delays,
intellectual disability, low
muscle tone, and other
possible effects.
AUTISM
A developmental disorder
that is characterized by
impaired social interaction,
problems with verbal and
nonverbal communication,
and unusual, repetitive, or
severely limited activities and
interests.
EPILEPSY
A common chronic
neurological disorder that is
characterized by recurrent
unprovoked seizures.
A1550: Conditions Related to Intellectual
Disability/Developmental Disability (ID/DD)
Status (cont.)

Code E: if an ID/DD condition is present but the
resident does not have any of the specific conditions
listed.

Code Z: if ID/DD condition is not present.
A1600–A1805: Most Recent Admission/Entry or Reentry into this
Facility
DEFINITION
OTHER ORGANIC
CONDITION RELATED
TO ID/DD

Manual page A-33
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-33
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