PR-33 Denial Code (CARC 33) 2026: Insured Has No Dependent Coverage

PR-33 is a coverage-tier denial. It’s about the policy, not the patient. The subscriber’s plan simply doesn’t cover dependents. It might be an employee-only tier, an individual policy, or a program like Medicare that covers each person on their own. Any claim for a spouse or child under that subscriber’s ID will be denied, however the claim is filled in. The way forward is to find the coverage the patient really has. (Primary sources: X12 Claim Adjustment Reason Codes · U.S. Department of Labor, HIPAA special enrollment · Medicare.gov, your Medicare card).

In brief: PR-33 means “insured has no dependent coverage.” Confirm the subscriber’s coverage tier for the date of service. If the patient has their own plan, or a different family policy, bill that. If a recent marriage, birth or adoption should have added them, the subscriber may still be able to enroll them under special enrollment rules. Bill the patient only after those routes are closed.

Part of our denial codes library. Written by Manikandan J, CPC, CRCR, who has more than 10 years of US medical billing and revenue cycle experience. Published 20 October 2026. Last updated: 20 October 2026. Code wording is quoted word for word from X12.

X12 wording for CARC 33

Field	Official X12 text
Description	“Insured has no dependent coverage.”
Start	01/01/1995
Last modified	09/30/2007

Source: X12 Claim Adjustment Reason Codes, checked 20 October 2026.

Denial code 33, CARC 33 and reason code 33

One X12 code, three common names. When you see denial code 33 or reason code 33 in a portal, the remit will also show a group code. With PR-33 the payer assigns the amount to the patient. With CO-33 your contract keeps it with the provider.

PR-33 vs PR-32: which eligibility problem?

	PR-33	PR-32
What the payer says	The policy has no dependent coverage at all	The policy covers dependents, but not this patient
Typical example	Employee-only plan billed for a spouse	Child aged out at 26
Who must act	Subscriber, to change the tier, or the patient, to show other coverage	Subscriber, to fix the dependent list
Can the claim data fix it?	No	Sometimes, if the relationship code was wrong

Who pays: group code table

Group + CARC	Who carries it	What to know
PR-33	Patient	Billable to the patient once you’ve ruled out other coverage.
CO-33	Provider	Contract bars patient billing. Find other coverage or write off.
OA-33	Not assigned	Check the primary payer’s handling.

CMS describes PR amounts as ones that “may be billed to the patient or insured” (Medicare Claims Processing Manual, Ch. 22, §60.1).

Common causes of PR-33

Remark wording is from the X12 RARC list. Pairings vary by payer.

Cause	Typical RARC	Fix
Subscriber has an employee-only or individual plan	N30	Find the patient’s own coverage, or a spouse’s family plan.
Spouse billed under a Medicare beneficiary’s number	N30	Each Medicare beneficiary has their own card. Bill under the patient’s own Medicare number.
Family added at work but the tier wasn’t changed in time	N197	The subscriber must update enrollment with the employer or plan.
Newborn billed before being added to the policy	N197	Have the parent enroll the baby within the plan’s deadline, then rebill.
Wrong subscriber chosen at registration	N30	Re-register under the right policy.

Resolving PR-33 step by step

A coverage tier is the level of a plan, such as employee only, employee plus spouse, or family.

1. Check the coverage tier. Eligibility responses and payer portals show whether the plan is single, employee plus spouse, or family.
2. Ask the patient about their own coverage. For example, a spouse may have a plan through their own job. A child may be on the other parent’s plan.
3. Check for a recent life event. Marriage, birth or adoption can open a special enrollment window.
4. Have the subscriber enroll the patient if they’re eligible. Coverage may start back on the date of the event, depending on the plan.
5. Bill the right payer once coverage is found or added.
6. Bill the patient only when no coverage applies.

Special enrollment: a second chance

Special enrollment is a window outside open enrollment when a life event lets someone join a plan.

Under HIPAA’s special enrollment rules, employer group health plans must let employees add a new spouse or child within at least 30 days of a marriage, birth, adoption or placement for adoption. For a birth or adoption, coverage can start back on the date of the event. If the visit was in that window, the “no dependent coverage” answer may change once the subscriber enrolls the patient. The U.S. Department of Labor explains the rules.

Appeal approach

PR-33 is rarely won by appeal, because the plan’s coverage tier is a fact. Appeal only if the plan had family coverage on that date and the payer’s file is wrong. Send the employer’s enrollment confirmation showing the tier and its effective date.

Questions to ask the payer about a PR-33

• What coverage tier did the subscriber have on the date of service?
• Was a tier change requested, and when does it take effect?
• Is there another policy on file for this patient?
• If the subscriber enrolls the patient now, will coverage go back to the date of service?

Worked example (illustrative)

A couple marries in June. In July, the new spouse sees a dermatologist and gives the partner’s insurance card. The remit shows CAS*PR*33*160.00. The biller learns that the partner’s plan is still employee-only. Because the marriage was 25 days earlier, the partner adds the spouse through special enrollment, effective the first of the month. The biller rebills and the claim pays. Had the window closed, the biller would have checked whether the spouse kept their own previous coverage.

Prevention checklist

• [ ] Check the coverage tier, not just active status, in every eligibility check.
• [ ] Ask whose plan covers the patient, such as a parent’s or spouse’s, and whether they’re on it themselves.
• [ ] Never bill a spouse under a Medicare beneficiary’s number.
• [ ] Tell patients about enrollment deadlines after a birth or marriage.
• [ ] Track PR-33 by registration staff to find training gaps.

Related denial codes

• PR-32: the patient isn’t an eligible dependent.
• CO-31: the patient can’t be identified as the payer’s insured.
• CO-26: expenses incurred before coverage began.
• CO-27: expenses incurred after coverage ended.
• CO-109: claim not covered by this payer.
• Denial codes hub for every code we cover.

Key takeaways

PR-33 means the subscriber’s plan has no dependent coverage. The claim can’t be fixed by editing it. Find the patient’s real coverage, check for special enrollment after a life event, and bill the patient only when no plan applies.

FAQ

Sources

How we checked: every code quote on this page was compared word for word with the X12 CARC and RARC lists on 20 October 2026.

• X12, Claim Adjustment Reason Codes (CARC 33, 32). Accessed 20 Oct 2026.
• X12, Remittance Advice Remark Codes (N30, N197). Accessed 20 Oct 2026.
• U.S. Department of Labor, HIPAA and special enrollment. Accessed 20 Oct 2026.
• Medicare.gov, Your Medicare card. Accessed 20 Oct 2026.
• CMS, Medicare Claims Processing Manual, Ch. 22, §60.1 Group Codes. Accessed 20 Oct 2026.

Last updated: 20 October 2026 · This page is educational and doesn’t replace payer contracts or coding rules.