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
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
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
Z2Undefined 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
- M1335 – Documentation of patient reason(s) for not having a follow up exam (e.g., inadequate time for follow up)
- M1336 – Patients who were appropriately evaluated during the initial exam and were re-evaluated no later than 2 weeks
- M1337 – Acute pvd
- M1338 – Patients who had follow-up assessment 30 to 180 days after the index assessment who did not demonstrate positive improvement or maintenance of functioning scores during the performance period
- M1339 – Patients who had follow-up assessment 30 to 180 days after the index assessment who demonstrated positive improvement or maintenance of functioning scores during the performance period
- M1340 – Index assessment completed using the 12-item whodas 2.0 or sds during the denominator identification period
- M1341 – Patients who did not have a follow-up assessment or did not have an assessment within 30 to 180 days after the index assessment during the performance period
- M1342 – Patients who died during the performance period
- M1344 – Patients who did not have a baseline pam score and/or a second score within 4 to 12 months of baseline pam score
- M1345 – Patients who had a baseline pam score and a second score within 4 to 12 month of baseline pam score
- M1346 – Patients who did not have a net increase in pam score of at least 6 points within a 4 to 12 month period
- M1347 – Patients who achieved a net increase in pam score of at least 3 points in a 4 to 12 month period (passing)
- M1348 – Patients who achieved a net increase in pam score of at least 6-points in a 4 to 12 month period (excellent)
- M1349 – Patients who did not have a net increase in pam score of at least 3 points within a 4 to 12 month period
- M1350 – Patients who had a completed suicide safety plan initiated, reviewed or updated in collaboration with their clinician (concurrent or within 24 hours) of the index clinical encounter
- M1351 – Patients who had a suicide safety plan initiated, reviewed, or updated and reviewed and updated in collaboration with the patient and their clinician concurrent or within 24 hours of clinical encounter and within 120 days after initiation
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.