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M1438

Lst knwn well <=210 min

✓ CURRENT — JULY 2026
Source: CMS
Imported: Aug 10 2026

Full descriptor

Time last known well to hospital arrival less than or equal to 3.5 hours (<= 210 minutes)

Details

Code
M1438
Short descriptor
Lst knwn well <=210 min
Code set
HCPCS Level II
Release
July 2026
Status
Active
Added
Jan 1 2026

Nearby codes

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

M1437

Telehealth enc

M1439

Sig ocu cond imp surg out

M1436

Telehealth enc

M1440

Telehealth enc

M1441

Init dx slp apn = 1st enc

M1435

Oral chemo in perf pd

M1442

Telehealth enc

M1434

Orl chemo wthn 30 d post enc

Sources

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