100 percent impaired, ltd

✓ CURRENT — JULY 2026

Source: CMS

Imported: Aug 10 2026

Full descriptor

100 percent impaired, limited or restricted

Details

Code: CN
Short descriptor: 100 percent impaired, ltd
Code set: HCPCS Modifiers
Release: July 2026
Status: Active
Added: Jan 1 2013

Nearby codes

Code sets are published in blocks, so neighbours are usually related.

Procedure payable inpatient

Esrd bene part a snf-sep pay

Procedure code change

Amcc test for esrd or mcp md

Med neces amcc tst sep reimb

Amcc tst not composite rate

Policy criteria applied

0 percent impaired, ltd, res

Sources

CMS HCPCS Modifiers — July 2026, public domain

Reference information only. Not billing advice. Verify against the payer before you file.

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Code set changes, when they happen

CMS revises HCPCS quarterly and NPPES monthly. When a release lands and we import it, you hear what changed. That is the whole email.

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Data ledger

Every dataset and when we pulled it →

Source	Dataset	Pulled	Cadence	Licence	Status
CMS	HCPCS Level II	July 2026	Quarterly	Public domain	Current
CMS	NPPES / NPI registry	Aug 21 2026	Weekly	Public domain	Overdue
NUCC	Provider taxonomy	Aug 2026	Biannual	Free	Current
CMS	Place of Service codes	Feb 2026	As needed	Public domain	Current

1 dataset is past its update window. Anything overdue stays marked in amber on its own pages. We would rather tell you.

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Reference information only. Not medical, legal, or billing advice. Verify against the payer before you file. Data sourced from CMS, NPPES and NUCC, all public domain. We do not display CPT codes, which are owned by the American Medical Association and require a licence.