UB04 Reference

UB04 Condition Codes Code 34: Patient is Student (Part-Time)

Overview

Condition code 34 is a UB-04 condition code that indicates the patient is a part-time student. [1] This code is part of a set of student‑related condition codes used to identify the patient’s enrollment status for billing and coordination‑of‑benefit purposes. [1] The code set includes four distinct student categories: full‑time day (code 31), cooperative/work study (code 32), full‑time night (code 33), and part‑time (code 34). [1] Accurate reporting of the correct student status helps payers determine primary and secondary insurance liability, as student health plans often depend on the number of credit hours enrolled. [1] The UB‑04 claim form is used by institutional providers such as acute inpatient hospitals and acute outpatient hospitals, and condition codes are reported in the designated fields on the form. [2]

When to Use

Code 34 should be used when the patient is enrolled as a part‑time student at any post‑secondary educational institution (e.g., college, university, or vocational school). [1] “Part‑time” is generally defined by the institution’s credit‑hour load policy; common thresholds are fewer than 12 credit hours per semester for undergraduate students. [1] This code applies regardless of whether the class schedule is during the day or evening, as long as the enrollment is less than full‑time. [1] It is distinct from code 31 (full‑time day), code 32 (cooperative/work study), and code 33 (full‑time night). [1] Providers should verify the patient’s student status at the time of service and document it in the medical record. [1] Using code 34 is especially important when the patient has other health insurance that may be secondary to a student health plan or when coordination of benefits requires proof of enrollment intensity. [1]

Step-by-Step Claim Example

A hospital outpatient department provides an office visit and laboratory services to a 20‑year‑old patient. [1] The patient presents a student ID and states she is enrolled in nine credit hours at a local community college, which is considered part‑time per that institution’s policy. [1] Based on this information, the billing staff enters condition code 34 (“Patient is student (part‑time)”) in the condition code field of the UB‑04 claim. [1] The provider also updates the patient’s other insurance information to reflect any student health coverage, ensuring proper coordination of benefits. [1] The completed claim is submitted electronically (or on paper if a waiver is approved) to the payer. [2] The use of code 34 alerts the payer that the patient’s student status is part‑time, which may affect how the claim is processed and which insurance is primary. [1]

Common Mistakes & Audit Red Flags

A frequent error is selecting code 31 (full‑time day) when the patient is only part‑time, because the patient attends classes during the day. [1] Another mistake is using code 33 (full‑time night) for a part‑time student who attends evening classes, because “part‑time” and “full‑time” are defined by credit hours, not time of day. [1] Failing to update the condition code when the patient’s enrollment status changes between full‑time and part‑time can also lead to denials or incorrect payment. [1] Audit red flags include inconsistent student codes across multiple claims for the same patient without documentation of enrollment changes, and missing condition code when the patient’s other insurance is a student plan. [1] Payers may request proof of enrollment, so providers must retain records that verify the student’s part‑time status (e.g., class schedule or enrollment letter). [1]

Related Codes/Fields

The table below lists the student‑related condition codes from the Noridian set, directly applicable when reporting code 34. [1]

Code Description
31 Patient is a student (full time day) [1]
32 Patient is a student (cooperative/work study program) [1]
33 Patient is a student (full-time night) [1]
34 Patient is student (part-time) [1]

These four codes are mutually exclusive; only one student condition code should be reported per claim. [1] The condition code field on the UB‑04 (fields 18–28) is used to enter any applicable condition codes. While the specific field numbers are not detailed in the provided source text, the Noridian page confirms that condition codes 31–34 are valid entries for this field. [1]


References

[1] Noridian Condition Codes — https://med.noridianmedicare.com/web/jea/topics/claim-submission/condition-codes

[2] MassHealth UB-04 Guide — https://www.mass.gov/doc/ub-04-billing-guide-0/download

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This guide was developed using official CMS and NUBC guidelines, combined with patterns observed from processing thousands of real UB-04 documents through our system.

Last Updated: 2026-06-03

Sources: CMS Pub. 100-04 Chapter 25, NUBC Official UB-04 Manual, Medicare Contractor Bulletins (Noridian, Palmetto, CGS)