UB04 Patient Discharge Status Code 81: Discharged to home or self-care with a planned acute care hospital readmission

Overview

Code 81 is a UB-04 Patient Discharge Status Code meaning “Discharged to home or self-care with a planned acute care hospital inpatient readmission.” This code became effective October 1, 2013 ^[1]. It indicates that the patient was released to their home or self-care setting, but a readmission to an acute care hospital for inpatient services is already planned. The code is part of a set of “planned readmission” codes (81–94) that modify standard discharge statuses when a specific acute care inpatient readmission is scheduled. The UB-04 form, on which this code is reported in Form Locator 17, is the standard institutional claim form used by acute inpatient hospitals, as noted in the MassHealth billing guide: “acute inpatient hospitals … must use the UB-04 claim form when submitting paper claims” ^[2]. Code 81 is distinct from code 01 (routine discharge home) because it explicitly documents a planned future inpatient stay, which is essential for accurate payment and quality measurement.

When to Use

Use code 81 when a patient is discharged from an acute care hospital to home or self-care and the hospital has documented a planned acute care hospital inpatient readmission. This planned readmission must be for a scheduled procedure, treatment, or evaluation that requires inpatient admission and is known before discharge. Common scenarios include a patient discharged after a cardiac catheterization who is scheduled to return for bypass surgery in two weeks, or a cancer patient discharged home after chemotherapy who has a planned readmission for stem cell transplant. The code should only be applied when the readmission is explicitly planned and documented in the medical record; unplanned readmissions or those for observation services do not qualify. Code 81 is one of a series of planned-readmission codes that pair with the original destination code (e.g., 01 for home). The effective date is October 1, 2013, meaning claims before that date must use code 01 even if a readmission was planned ^[1]. Correct use helps hospitals avoid penalties under readmission reduction programs by identifying planned versus unplanned readmissions.

Step-by-Step Claim Example

A 67-year-old Medicare beneficiary is hospitalized for management of acute heart failure. After stabilization, the care team decides to discharge the patient home on oral medications. However, the patient is scheduled for a left heart catheterization and possible stent placement in two weeks, which will require an inpatient admission. The hospital’s discharge planner confirms the scheduled procedure and obtains the patient’s consent. On the UB-04 claim form, the hospital completes Form Locator 17 (Patient Discharge Status) with code 81. The claim also includes the principal diagnosis (heart failure), procedure codes for the current stay, and appropriate revenue codes. The billing system must ensure the planned readmission is documented in the patient’s record, and the code is supported by a discharge summary stating “discharged to home with planned acute care readmission for catheterization.” After submission, the Medicare administrative contractor processes the claim and recognizes the planned readmission code, which will not count as an unplanned readmission in quality metrics. This example aligns with the definition from Noridian: “Discharged to home or self-care with a planned acute care hospital inpatient readmission” ^[1]. The use of code 81 instead of code 01 prevents the future readmission from being misclassified.

Common Mistakes & Audit Red Flags

A frequent mistake is using code 81 when the readmission is not truly planned or documented. For example, a patient discharged home with instructions to “follow up in clinic” does not meet the criteria; no specific acute care inpatient readmission is scheduled. Another error is using code 81 for readmissions that are planned for outpatient surgery or observation services—code 81 requires the planned readmission to be for acute care hospital inpatient services. Auditors also look for inconsistency between the discharge status and the patient’s actual destination; if later billing shows the patient was readmitted for an unplanned reason, the original code 81 may be flagged. Additionally, using code 81 on claims with a patient discharge status of “left against medical advice” or “expired” is illogical. Effective date compliance is critical: claims with discharge dates before October 1, 2013, must not use code 81. Providers should also ensure the medical record explicitly documents the planned inpatient readmission, including the expected date and reason, to support code selection. Failure to do so can lead to claim denials or recoupments during post-payment review ^[1].

Related Codes/Fields (markdown table)

Code	Meaning (from Noridian)
01	Discharged to home or self-care (routine discharge)
02	Discharged/transferred to a short-term general hospital for inpatient care
03	Discharged/transferred to SNF with Medicare certification
04	Discharged/transferred to facility providing custodial/supportive care
05	Discharged/transferred to designated cancer center or children's hospital
06	Discharged/transferred to home under care of organized home health service
07	Left against medical advice or discontinued care
09	Admitted as an inpatient to this hospital
20	Expired
21	Discharged/transferred to court/law enforcement
30	Still a patient
40	Expired at home
41	Expired in a medical facility
42	Expired - place unknown
43	Discharged/transferred to a federal health care facility
50	Hospice – home
51	Hospice – medical facility (certified)
61	Discharged/transferred to hospital-based Medicare approved swing bed
62	Discharged/transferred to inpatient rehabilitation facility (IRF)
63	Discharged/transferred to Medicare certified long term care hospital (LTCH)
64	Discharged/transferred to nursing facility certified under Medicaid not Medicare
65	Discharged/transferred to psychiatric hospital or distinct part unit
66	Discharged/transferred to critical access hospital (CAH)
69	Discharged/transferred to designated disaster alternate care site
70	Discharged/transferred to another type of health care institution not defined elsewhere
81	Discharged to home or self-care with a planned acute care hospital inpatient readmission
82	Discharged/transferred to short-term general hospital with planned readmission
83	Discharged/transferred to SNF with planned readmission
84	Discharged/transferred to custodial/supportive care facility with planned readmission
85	Discharged/transferred to cancer center/children's hospital with planned readmission
86	Discharged/transferred to home health with planned readmission
87	Discharged/transferred to court/law enforcement with planned readmission
88	Discharged/transferred to federal health care facility with planned readmission
89	Discharged/transferred to swing bed with planned readmission
90	Discharged/transferred to IRF with planned readmission
91	Discharged/transferred to LTCH with planned readmission
92	Discharged/transferred to Medicaid-only nursing facility with planned readmission
93	Discharged/transferred to psychiatric hospital with planned readmission
94	Discharged/transferred to CAH with planned readmission

All codes are from the Noridian patient status list, with effective dates noted where applicable ^[1].

---

References

[1] Noridian Patient Status — https://med.noridianmedicare.com/web/jea/topics/claim-submission/patient-discharge-status-codes

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