Question 1

What is HCPCS code M1141?

Accepted Answer

HCPCS code M1141 is "Fs no oks". Functional status was not measured by the oxford knee score (oks) or the knee injury and osteoarthritis outcome score joint replacement (koos, jr.) at one year (9 to 15 months) postoperatively

Question 2

What category is M1141 in?

Accepted Answer

M1141 belongs to HCPCS Category M (Medical Services).

Question 3

When should I use HCPCS code M1141?

Accepted Answer

Use M1141 when billing for fs no oks. HCPCS Level II codes like this are used for items and services not covered by CPT codes, including medical supplies, equipment, drugs administered in clinical settings, and certain healthcare services.

Question 4

Is M1141 covered by Medicare?

Accepted Answer

Coverage for M1141 (Fs no oks) depends on medical necessity and specific Medicare guidelines. Check the applicable Local Coverage Determination (LCD) or National Coverage Determination (NCD) for detailed coverage criteria. Private insurers may have different coverage policies.

Question 5

What documentation is required for M1141?

Accepted Answer

Documentation for M1141 should include: the medical necessity for the item or service, supporting diagnosis codes (ICD-10), prescription or order from the treating physician, and proof that the item meets quality standards. Some items may require additional documentation like a Certificate of Medical Necessity (CMN).