M1343 – Patients who are at pam level 4 at baseline or patients who are flagged with extreme straight line response sets on the pam or with excessive missing responses

HCPCS Level II code · M codes: Medical Services and Quality Measures

Active code Carrier judgment

HCPCS codeM1343
Long description
Patients who are at pam level 4 at baseline or patients who are flagged with extreme straight line response sets on the pam or with excessive missing responses
Short description
Pt pam lvl 4 base or srt lin
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2024
Last change
January 1, 2025 – No change

Frequently asked questions

What is HCPCS code M1343?

M1343 is a HCPCS Level II code for patients who are at pam level 4 at baseline or patients who are flagged with extreme straight line response sets on the pam or with excessive missing responses.

Does Medicare cover M1343?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby M codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.