HCPCS Level II modifier
Modifier P3
Modifier P3 is a HCPCS Level II modifier. CMS describes it as: A patient with severe systemic disease.
Source: CMS HCPCS Level II, October 2026 file dated September 23, 2026. Publisher page
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- Modifier
- P3
- Type
- HCPCS Level II modifier, maintained by CMS
- CMS description
- A patient with severe systemic disease
- Claim form
- CMS-1500 item 24D, up to four modifiers per line. 837P SV101-3 to SV101-6.
- Guidance
- CMS HCPCS quarterly update
Related modifiers
- P4A patient with severe systemic disease that is a constant threat to life
- P2A patient with mild systemic disease
- P5A moribund patient who is not expected to survive without the operation
- P1A normal healthy patient
- P6A declared brain-dead patient whose organs are being removed for donor purposes
- NUNew equipment
- PASurgical or other invasive procedure on wrong body part
- NRNew when rented (use the 'NR' modifier when DME which was new at the time of rental is subsequently purchased)
Related pages
Questions
What does modifier P3 mean?
Modifier P3 is a HCPCS Level II modifier. CMS describes it as: A patient with severe systemic disease.
Is modifier P3 a CPT or a HCPCS modifier?
P3 is a HCPCS Level II modifier from the CMS quarterly HCPCS file. Two-digit numeric modifiers, such as 25 or 59, are CPT modifiers.
Where does modifier P3 go on a claim?
On the CMS-1500 it goes in item 24D next to the procedure code. Each line holds up to four modifiers. On an 837P it goes in SV101-3 to SV101-6.
What denial comes back when a modifier is wrong?
A missing or mismatched modifier often comes back as CARC 4. A modifier that was not valid on the date of service comes back as CARC 182. A bundling edit the modifier should have bypassed comes back as CARC 97 or 236.