Bindinglaw

US · guidance

CMS Pub. 100-04, ch. 4, § 240.5

Payment of Part B Services in the Payment Window for

activein force · 2026-08-25 – presentas-observed

Outpatient Services Treated as Inpatient Services When Payment

Cannot Be Made Under Part A

(Rev. 2877, Issued: 02-07-14, Effective: 10-01-13, Implementation: 04-07-14)

See Pub. 100-02, Medicare Benefit Policy Manual, Chapter 6, §10 (“Medical and Other

Health Services Furnished to Inpatients of Participating Hospitals”) and Pub 100-04,

Medicare Claims Processing Manual, Chapter 4, §10.12 (“Payment Window for

Outpatient Services Treated as Inpatient Services”) regarding services bundled into the

original Part A claim under the 3-day (1-day for non-IPPS hospitals) payment window

prior to the inpatient admission, that may be billed to Part B when Part A payment cannot

be made. Hospitals should use the following type of bill to report these services:

• 13X TOB (85X for a CAH)- Hospital outpatient services included in the payment

window for outpatient services treated as inpatient services

• 14X TOB- Laboratory tests that are paid under the clinical laboratory fee schedule

(see chapter 16, §40.3 of this manual), and included in the payment window for

outpatient services treated as inpatient services

History

(Rev. 2877, Issued: 02-07-14, Effective: 10-01-13, Implementation: 04-07-14)

Provenance

Source
cms.gov
Retrieved
2026-08-25
Edition
iom-2026-08-25
Content hash
73a7e3727141f3d055114b1c50dd31132757cbaf37369b04cee7d33d747b6d13
View the official source →

The link goes to the issuing authority’s own document — the one we read to produce this record. Where a source publishes whole titles rather than sections, your browser may need a moment to jump to the provision.

Unofficial copy of government-published law, reproduced from official sources with full provenance. Not an official publication; verify against official sources before relying on it in a filing. Records in the 'guidance' corpus, and only that corpus, are sub-regulatory (interpretive guidelines, survey procedures) and are not binding law. Validity bounds follow each jurisdiction's declared temporalBasis.

Coverage · API docs

Bindinglaw

Point-in-time US law with the receipt attached. Source URL, retrieval time, content hash, and validity dates on every answer.

curl api.binding.law/v1/law/coverage

© 2026 binding.law · a Jubal, Inc. productAttorneys and firms never pay. Ever.