1What Is the A173 OHIP Code?
What is the A173 Specific Assessment?
The A173 code is used by vascular surgeons to perform specific assessments of vascular issues in a non-home setting. This assessment includes taking a full history of the presenting complaint and conducting a detailed examination of the affected vascular area. Commonly assessed issues in vascular surgery include leg ulcers, pulsatile masses, and claudication.
These specific assessments are focused evaluations that concentrate on the patient's vascular concerns rather than a general examination, which helps in making a precise diagnosis. Often, these assessments are overlooked due to their specificity, and the requirement for a detailed examination might lead practitioners to misbill under more general assessment codes.
2Related Codes
| Code | Name | Frequency | Description |
|---|---|---|---|
| C173 | C173 Specific assessment | Same restrictions as A173 | Equivalent to A173 but used for hospital in-patients in vascular surgery. |
| C174 | C174 Specific re-assessment | No more than one per previous related specific assessment | Used for reassessing a previously examined condition within vascular surgery. |
| A174 | A174 Partial assessment | No specific frequency limit noted | Used for partial assessments within vascular surgery when a full specific assessment is not warranted. |
| A935 | A935 Special surgical consultation | No specific frequency limit noted | Utilized for comprehensive consultation efforts within surgical cases in vascular surgery. |
3Eligibility Requirements
Eligibility for Billing A173
To be eligible for billing A173, you must meet the following criteria:
- Specialist Requirement: The assessment must be performed by a recognized specialist in vascular surgery.
- Location: It should take place in a clinical setting, not a patient’s home.
- Assessment Frequency: Only one specific assessment per patient per physician is allowed within a 12-month period unless:
- A second assessment occurs with a completely unrelated diagnosis, or
- A hospital admission occurs 90 days after the initial assessment.
- Documentation: You must record the start and end times of the service in the patient’s medical record.
This service can also be delivered virtually as per OHIP’s Appendix J provisions, facilitating remote assessments with code A173A for video or telephone use.
4What Your Clinical Note Must Show
The following information must be documented to ensure compliance with billing guidelines:
- Record the start and end times for the assessment in the patient's medical chart.
- Include a detailed history of the presenting complaint.
- Complete an examination focusing on the affected vascular area or system.
5Weak vs. Strong Note Examples
The strong note succeeds because it includes detailed history and documented examination of specific vascular issues, meeting the requirements for billing A173, whereas the weak note lacks the specificity and detail required.
Patient presented with leg pain. Examined and advised to rest.
Patient presents with persistent leg ulcer. Obtained comprehensive history noting the ulcer's evolution over 6 months.
Conducted a detailed examination focusing on the affected limb's vascular status, including pulses, ankle-brachial index, and observed for signs of infection.
- History notes the ulcer's duration and characteristics.
- Comprehensive vascular examination performed.
- Findings clearly documented in the patient's record.
