CPT 99231: Hospital Subsequent Inpatient Visit, Low Complexity
An inpatient hospital subsequent day visit for the evaluation and management of an established inpatient with stable clinical status. Low medical decision making complexity.
Why CPT 99231 Claims Get Denied
Claims billed under CPT 99231 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Billing on non-billable day
Insufficient documentation of clinical changes
Bundling with initial hospital visit
Time does not meet minimum threshold
Billing Tips for CPT 99231
Document clinical status updates and any changes in patient condition. Ensure visit occurs on different calendar day than previous visit. Document any changes in medication, treatment plan, or clinical assessment.
Documentation Requirements
To support a clean claim for CPT 99231, your clinical documentation should include:
Brief history of clinical changes
Focused examination
Documentation of current status
Low complexity decision making
Updated assessment and plan
Common Modifiers for CPT 99231
Reduce CPT 99231 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.