Date of Service

Question:

We are in an academic setting. Our residents will see a patient, for example, at 11 pm on Tuesday.  Wednesday morning, our attending physician evaluates the patient, documents his/her findings, documents the required attestation, and enters an E&M into the EHR. The date of service is the date the encounter was created by the resident on Tuesday.   Do you bill the E&M with the Tuesday date of service or the Wednesday date when the attending physician saw the patient?

Answer:

The correct date of service is the actual date of service when the attending physician saw the patient. In this case, it will be Wednesday even if the attending physician links the note to the resident note from the previous date.

*This response is based on the best information available as of 11/16/23.

Diagnosis Coding Excludes 1 Codes

Question:

Our physicians list their diagnosis codes in the Assessment section of their notes. They link the diagnosis codes to the charges in our EHR. We receive a claims submission edit stating the two diagnosis codes may not be reported together. We review the rules and find the codes have an “Excludes 1” relationship. Our question is, should we remove the diagnosis code that is listed as the “Excludes 1” from the Assessment section of the note when correcting the claim based on the guidelines.

Answer:

No don’t do that but it is great news to hear you are reviewing your claims edit reports in a timely manner. The “Excludes 1” is an ICD-10-CM coding guideline or a coding rule. Think of this like an NCCI edit; when CMS has an edit between 2 CPT codes, we do not change the documentation in the operative note. Rather, we report the most comprehensive of the 2 CPT codes. The “Excludes 1” guideline is a similar concept—we do not change the documentation; rather, we report the most comprehensive diagnosis code.

*This response is based on the best information available as of 11/2/23.

E&M Coding Based on Time

Question:

Our physicians’ defaults to time for almost every office encounter. We are working with them on documentation and what work contributes to total time and what does not. They perform their own procedures such as skin lesion removal and biopsies in the office. They are counting the total time spent with the patient, including these activities and we do not believe that is correct. Can you help?

Answer:

Thank you for your inquiry. We will not address the default to time for almost every encounter other than to say medical necessity must be present for time spent. That said, the activities you identify are billable services represented by other CPT codes (aka are separately reported) and may not contribute to the total time in the billed Evaluation and Management (E/M). In other words, the procedure time must be deducted from the total time, assuming the E/M service is reportable.

*This response is based on the best information available as of 10/19/23.

Modifier Order on CMS Claim Form

Question:

We are submitting a hospital claim form with the modifier 25 and FS modifier. We are unsure which modifier to list first. What is your recommendation?

Answer:

Thanks for contacting KZA and remembering to use the FS modifier for shared services provided in the hospital. KZA recommends placing the modifier 25 first, as this is considered a reimbursement modifier followed by the FS modifier, which is an informational modifier.

*This response is based on the best information available as of 10/5/23.

Coding for a Laceration Repair

Question:

I repaired a 12 cm jagged laceration of the midabdomen by undermining 1cm to release the skin edges. Due to the length of the laceration and potential wound tension concerns, I closed the laceration in layers and retention sutures are used. What procedure code should I report?

Answer:

Good question. Because Undermining of tissue under skin, retention sutures constitute a complex repair. Since the defect is 12 cm you would report CPT code 13101 for the first first 2.6 to 7.5 cm with 13102 for each additional 5 cm or less.

*This response is based on the best information available as of 08/03/23.

Shared Visits in the Hospital for Medicare

Question:

I have a question regarding 2023 shared visit rules. I am reviewing an E&M note where I will select the level of E&M based on the MDM being the substantive part and not time. My question: does each provider have to document their individual time if not a factor in the level of E&M I recommend?

Answer:

No, the documentation of time is not required if Time will not be a determining factor in E&M code selection.

CMS has delayed the implementation of Time as driver for defining the substantive part of the shared encounter until January 2024.

The following excerpt is from the Final Rule published in November 2022.

Page 212:
“After consideration of public feedback, we proposed to delay implementation of our definition of the substantive portion as more than half of the total time until January 1, 2024. We continued to believe it is appropriate to define the substantive portion of a split (or shared) service as more than half of the total time, and proposed that this policy will be effective beginning January 1, 2024….”

You may consider working with your providers to start documenting time should CMS move forward with a final implementation of Time as the driver of substantive time in 2024. This would allow them to become familiar with including this in their notes, while informational at this time, if the code is to be selected on the MDM and not time.

*This response is based on the best information available as of 07/06/23.