A coding assignment can look finished and still be wrong in a way the student cannot see: the right procedure, the right service, and a modifier that changes what the claim actually says. 3-2-1 Code It! 2023, 11th Edition by Michelle Green spends real effort on those judgment calls — visit level selection, modifier use, what may be reported separately and what is already bundled — because they are where new coders lose accuracy long after they have learned to look up a code. Comparing your answer with a plain key tells you that something is off, but not which decision produced it.
Why this solution manual helps
Every solution here is worked in sequence, showing the documentation element that drove the choice, the code selected and the guideline or convention that settles it. That lets you audit your own decision rather than just replace it — you can see whether you chose a level on the wrong basis, appended a modifier the payer rules do not support, or reported a component service that was already included. Being able to explain a code is also what an employer or a certification assessment eventually asks for, so building that habit while you still have exercises to practise on is time well spent.
What’s inside
- Worked answers to the textbook’s chapter exercises and review questions, following the book’s numbering.
- The reasoning behind each assignment: documentation used, code selected, and the note or guideline applied.
- Modifier decisions explained, including why a modifier is or is not appropriate on that claim.
- Coverage of diagnosis coding, procedure coding, evaluation and management, and reimbursement topics.
- One organized PDF, downloadable as soon as checkout completes.
Topics covered
- Health records and documentation — what the record must support before a code may be assigned.
- Diagnosis coding conventions — index and tabular structure, excludes notes and combination codes.
- Diagnosis coding guidelines — first-listed diagnosis, chronic conditions and reporting of complications.
- Inpatient procedure coding — root operation selection and the character structure of a procedure code.
- Outpatient procedure and service coding — section structure, unbundling rules and separately reportable services.
- Evaluation and management — selecting a visit level by medical decision making or by total time on the date of the encounter.
- Modifiers — what each communicates to the payer and when appending one changes reimbursement.
- Reimbursement methodologies — claim data, payment systems and the effect of coding accuracy on revenue.
Who it’s for
Medical coding, billing and health information students working through this edition’s exercises, and practising office staff moving into a coding role who are studying independently and need worked examples to check their reasoning against.
How to use it (the right way)
Complete the exercise with your own code books first and write down why you chose each code, then compare reasoning rather than codes. Where the two differ, return to the guideline named in the solution and re-code the item from scratch. This is a study aid, to be used in line with your program’s academic-integrity policy — for reviewing and understanding your own work, never as answers to be submitted as your own.
Sample worked solution (shows the format — your download contains the full set)
Exercise. An established patient is seen in the office. The physician documents 35 minutes of total time on the date of the encounter, including record review, the visit itself and documentation. Select the office visit code using time.
- Step 1 — confirm the patient is established, which narrows the range to the established patient office visit codes.
- Step 2 — decide the basis for selection; here the documentation supports total time rather than medical decision making.
- Step 3 — total time on the date of the encounter is 35 minutes, which falls in the 30 to 39 minute band.
- Step 4 — assign 99214, the established patient visit corresponding to that time range.
Why the basis matters: time and medical decision making are alternatives, not a combination, so a level chosen on time must be supported by documented total time on that date. Counting the physician’s activity on a different day, or adding clinical staff time, would inflate the level; selecting 99213 would understate the work actually documented.
Edition & format
- Matches: 3-2-1 Code It! 2023, 11th Edition, by Michelle Green.
- Format: Digital PDF, delivered instantly after checkout.
- Access: Lifetime — re-download from your account at any time.
Coding editions are revised each year with the code sets. Please confirm the year and edition above match the book your program assigned before purchase.
Frequently asked questions
Is this the current edition? These solutions follow the 2023, 11th Edition. Another year’s edition revises both the exercises and the code sets, so choose the listing that matches your book.
How do I receive it? The file appears on your order confirmation page and in your account the moment checkout completes, with nothing shipped and no delay.
Do the solutions show the working? Yes. Each answer explains the documentation relied on and the guideline applied, not simply the code assigned.
Is using a solution manual allowed? Reviewing your completed exercises against a worked answer is standard study practice. Follow your program’s academic-integrity policy and never submit these answers as your own work.
Further coding titles are in Allied Health Test Banks and solution manuals.







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