HCPCS Level II modifier
Modifier QD
Modifier QD is a HCPCS Level II modifier. CMS describes it as: Recording and storage in solid state memory by a digital recorder.
Source: CMS HCPCS Level II, October 2026 file dated September 23, 2026. Publisher page
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- Modifier
- QD
- Type
- HCPCS Level II modifier, maintained by CMS
- CMS description
- Recording and storage in solid state memory by a digital recorder
- 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
- QEPrescribed amount of stationary oxygen while at rest is less than 1 liter per minute (LPM)
- QCSingle channel monitoring
- QFPrescribed amount of stationary oxygen while at rest exceeds 4 liters per minute (LPM) and portable oxygen is prescribed
- QBPrescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts exceeds 4 liters per minute (LPM) and portable oxygen is prescribed
- QGPrescribed amount of stationary oxygen while at rest is greater than 4 liters per minute (LPM)
- QAPrescribed amounts of stationary oxygen for daytime use while at rest and nighttime use differ and the average of the two amounts is less than 1 liter per minute (LPM)
- QHOxygen conserving device is being used with an oxygen delivery system
- Q9One class b and two class c findings
Related pages
Questions
What does modifier QD mean?
Modifier QD is a HCPCS Level II modifier. CMS describes it as: Recording and storage in solid state memory by a digital recorder.
Is modifier QD a CPT or a HCPCS modifier?
QD 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 QD 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.