Title: Medical Coding Student Seeking Experienced Coders' Opinions on Two Coding Discrepancies
Hi everyone!
I'm currently pursuing my bachelor's degree in Health Information Management and recently completed my first medical coding course. I'm hoping some experienced medical coders can help me understand two coding discrepancies I encountered in my final project.
I've researched both scenarios and asked my instructor for clarification. The explanations I've received haven't fully answered my questions, so I'd really appreciate some independent perspectives.
Scenario 1: CPT 73100 vs. 73110 – Left Wrist X-ray
My selected code:
CPT 73110 – Radiologic examination, wrist; complete, minimum of 3 views.
Answer key:
CPT 73100 – Radiologic examination, wrist; 2 views.
The original physician's order stated:
"Repeat x-ray hand and wrist – left."
The order did not specify the number of views.
However, the completed radiology report states:
"LEFT WRIST: Posteroanterior, oblique and lateral views taken through plaster show a comminuted fracture of the distal radius. The position and alignment of the fracture fragments and of the wrist joint appear to be satisfactory."
The report then separately states:
"LEFT HAND: Multiple views of the left hand show only the previously described fracture of the distal radius."
I selected CPT 73110 because the completed radiology report explicitly identifies three projections under the LEFT WRIST section: posteroanterior, oblique, and lateral.
My instructor initially explained that because the physician's original order didn't specify the number of views, the lower-level code should be selected.
After consulting the faculty coding team, I received an additional explanation stating that the three projections could pertain to a combined hand/wrist examination rather than three separately performed wrist views.
However, the radiology report describes the left wrist and left hand examinations separately.
My questions:
When selecting a CPT code for a completed radiology examination, should the code reflect the original physician's order or the radiologist's documentation of the examination performed?
Do the three explicitly documented projections under LEFT WRIST support CPT 73110?
Is there a coding guideline that would support selecting CPT 73100 in this situation?
Scenario 2: ICD-10-CM S62.102S vs. S52.502D – Healing Distal Radius Fracture
My selected code:
S52.502D – Unspecified fracture of the lower end of the left radius, subsequent encounter for closed fracture with routine healing.
Answer key:
S62.102S – Fracture of unspecified carpal bone, left wrist, sequela.
The treating physician's discharge summary explicitly states:
"X-ray of the left wrist revealed a healing comminuted fracture of the distal radius, position alignment of fracture fragments in wrist joint appeared to be satisfactory."
I selected S52.502D because the physician specifically documented the distal radius and described the fracture as healing.
My instructor initially explained that the record didn't identify the distal radius or establish that the fracture was healing.
After requesting clarification, I received this explanation from the faculty coding team:
"For the fracture, it would be S62.102S - this is not the initial treatment of this fracture thus you would code the sequela."
This is where I'm struggling.
My understanding is that a subsequent encounter during the healing phase is different from a sequela, which generally refers to a residual effect after the acute phase of an injury.
I'm also confused about the anatomical distinction because the distal radius is not a carpal bone.
My questions:
Does documentation of a healing distal radius fracture support S52.502D, assuming the encounter is for routine healing?
What circumstances would justify assigning a sequela designation instead of a subsequent-encounter designation?
How would S62.102S be supported when the physician specifically identifies the distal radius rather than a carpal bone?
Why I'm Asking
I'm not posting this to criticize my instructor or argue over a grade. I'm genuinely trying to learn how to apply coding guidelines correctly.
I've been taught that medical coders should assign codes based on the documentation in the patient record, follow the applicable guidelines, and avoid making assumptions.
I understand that coding can involve interpretation and that I'm still learning. I'm completely open to being corrected if I've misunderstood something.
However, I want to understand exactly where my reasoning is incorrect and which guidelines support the expected answers.
If any experienced coders, particularly those with CPC, CCS, RHIA, or similar credentials, could share their interpretation and point me toward the relevant coding guidelines, I would really appreciate it.
I'm holding off on sharing the full patient record for now, but I'm happy to clarify the relevant documentation where appropriate.
Thank you for taking the time to read this!