M1438Medical Services

Time last known well to hospital arrival less than or equal to 3.5 hours (<=

Q: What is HCPCS code M1438?

M1438 is a HCPCS Level II code for Time last known well to hospital arrival less than or equal to 3.5 hours (<=.

Q: What category is HCPCS code M1438 in?

M1438 falls under the Medical Services category of HCPCS Level II.

Q: When did HCPCS code M1438 become effective?

M1438 has been effective since January 1, 2026, per CMS's quarterly HCPCS update.

Short description: Lst knwn well <=210 min

Effective date: January 1, 2026
Termination date: —

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Frequently asked questions

What is HCPCS code M1438?

M1438 is a HCPCS Level II code for Time last known well to hospital arrival less than or equal to 3.5 hours (<=.

What category is HCPCS code M1438 in?

M1438 falls under the Medical Services category of HCPCS Level II.

When did HCPCS code M1438 become effective?

M1438 has been effective since January 1, 2026, per CMS's quarterly HCPCS update.

HCPCS Level II data from CMS (public domain). HCPCS Level I (CPT) codes are not included — CPT is copyrighted by the American Medical Association. Always verify codes with authoritative sources before making coding or billing decisions.