C1300 — Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
C1300 is a HCPCS Level II code for hyperbaric oxygen under pressure, full body chamber, per 30 minute interval. It belongs to the Outpatient Prospective Payment System section. It was terminated on December 31, 2014 and is not valid on new claims.
This code has been terminated
CMS terminated C1300 on December 31, 2014. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
The CMS record for C1300
- Long descriptor
- Hyperbaric oxygen under pressure, full body chamber, per 30 minute interval
- Short descriptor
- Hyperbaric oxygen
- Added
- August 1, 2000
- Terminated
- December 31, 2014
- BETOS
- P5E
- Pricing indicator
- 53 — Other
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Statute.
Codes adjacent to C1300
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If C1300 is not quite right, the correct code is very often within a few positions of it.
- B9000Enteral nutrition infusion pump - without alarmterminated
- B9002Enteral nutrition infusion pump, any type
- B9004Parenteral nutrition infusion pump, portable
- B9006Parenteral nutrition infusion pump, stationary
- B9998Noc for enteral supplies
- B9999Noc for parenteral supplies
- C1052Hemostatic agent, gastrointestinal, topical
- C1062Intravertebral body fracture augmentation with implant (e.g., metal, polymer)
- C1600Catheter, transluminal intravascular lesion preparation device, bladed, sheathed (insertable)
- C1601Endoscope, single-use (i.e. disposable), pulmonary, imaging/illumination device (insertable)
- C1602Orthopedic/device/drug matrix/absorbable bone void filler, antimicrobial-eluting (implantable)
- C1603Retrieval device, insertable, laser (used to retrieve intravascular inferior vena cava filter)
- C1604Graft, transmural transvenous arterial bypass (implantable), with all delivery system components
- C1605Pacemaker, leadless, dual chamber (right atrial and right ventricular implantable components), rate-responsive, including all necessary components for implantation
- C1606Adapter, single-use (i.e. disposable), for attaching ultrasound system to upper gastrointestinal endoscope
- C1607Neurostimulator, integrated (implantable), rechargeable with all implantable and external components including charging system
Questions about C1300
What is HCPCS code C1300?
C1300 is a HCPCS Level II code for hyperbaric oxygen under pressure, full body chamber, per 30 minute interval. It sits in the Outpatient Prospective Payment System section.
Does Medicare cover C1300?
The CMS HCPCS file marks C1300 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
Is C1300 still valid?
No. C1300 was terminated on December 31, 2014 and should not be used on new claims.