Coding Strategy

Bonus: Get exposure to ICD-10 coding equivalents.

Question: A mentally-challenged patient who delivered at home was admitted to the hospital for postpartum care. The patient delivered the placenta at home, and once admitted, she had no complications, but the ob-gyn did perform a first degree laceration repair. I’m not sure what diagnosis code to report. Should I look at routine postpartum care or pregnancy complications? And if I use a complication code, what would the fifth digit to a “1″ or “0?”

Texas Subscriber

Answer: Under most situations where the ob-gyn treated no problems during the admission, you would code V24.0 (Postpartum care and examination; immediately after delivery) on the admission date and V24.2 (Routine postpartum follow-up) for any subsequent routine care.

But in this case, your physician also repaired a first degree laceration (CPT code 59300, Episiotomy or vaginal repair, by other than attending physician). Therefore, you may consider this to be an admission for a postpartum condition and instead report 664.04 (First degree perineal laceration). The fifth digit cannot be “1″ or “0″ because the patient delivered prior to her admission and of course you know her delivery status. In this case, the fifth digit must be “4″ to indicate a purely postpartum condition. You may optionally report V24.0 and V24.2 as your secondary diagnoses, but they are not required in this case.

ICD-10: In the near future, you will replace ICD-9 codes V24.0 and V24.2 with ICD-10 codes Z39.0 (Encounter for care and examination of mother immediately after delivery) and Z39.2 (Encounter for routine postpartum follow-up), respectively. Code 664.04 will be replaced by O70.0 (First degree perineal laceration during delivery).

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Insurers might want to see a clear explanation as to why the E/M was necessary.

Question: An established patient with a plan of care in place for her gastroesophageal reflux disease (GERD) reports to the gastroenterologist; two weeks ago, the gastroenterologist started her on Nexium (esomeprazole). One of the practice’s nonphysician practitioners (NPPs) evaluates the patient, taking blood pressure and other vitals. She also asks the patient if she has experienced any nausea, diarrhea, vomiting, or any other side effects since she started Nexium. The patient reports that she’s “thrown up three or four times” since starting the medication, but reports no other side effects. The patient’s record indicates that the gastroenterologist scheduled this visit specifically to check how the patient’s adjustment was going. What can I report for this encounter?

Answer: It will depend on the encounter specifics, but this sounds like a 99211 (Office or other outpatient visit for the evaluation and management of an established patient, that may not require the presence of a physician. Usually, the presenting problem[s] are minimal. Typically, 5 minutes are spent performing or supervising these services …) service.

No matter what E/M code you choose, append the following diagnosis codes:

• 530.81 (Other specified disorders of esophagus; esophageal reflux) to represent the patient’s GERD
• 787.03 (Vomiting alone) to represent the patient’s vomiting

Explanation: The gastroenterologist will often order a patient to report soon after starting a new medication regimen; these scheduled visits are typically 99211 encounters, though they can theoretically be higher-level if complications arise.

For medication checkup encounters, insurers might want to see a clear explanation as to why the E/M was necessary. Cut off any payer queries by including the following documentation on medication checkup E/Ms:

• a record of patient’s blood pressure, if relevant, and other vital signs
• a note indicating the clinical reason for checking blood pressure or other vital signs
• a list of the patient’s current medications (include level of patient compliance, if possible)
• proof that the gastroenterologist evaluated the clinical information the NPP obtained and made a  management recommendation for the patient.

FREE EM Coding WEBINAR: Find out the medical documentation guidelines your practice is probably missing for HPI.

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Choose the service level using the documented history, exam, and MDM.

Question: A new patient with a chronic gastric ulcer meets the gastroenterologist for management of her condition. The gastroenterologist meets for 34 minutes with the patient, and performs an expanded problem focused history and exam and straightforward medical decision making. The note also indicate that she spent 21 minutes advising the patient on proper diet and medication management. Is this an instance where I can code based on total encounter time?

New Jersey Subscriber

Answer: Maybe. Go back and double-check both the total encounter time and the amount of time the spent on counseling by either the physician or any NPP.

If the provider spends at least half (16 min) of the total session time counseling the patient, then report …… 99203 (Office or other outpatient visit for the evaluation and management of a new patient, which requires these 3 key components: a detailed history; a detailed examination; medical decision making of low complexity … Physicians typically spend 30 minutes face-to-face with the patient and/or family) for the encounter, based on the total time the provider spent face-to-face with the patient, with 531.7 (Gastric ulcer; chronic without mention of hemorrhage or perforation) appended to represent the patient’s condition.

Don’t stop there: Whenever you invoke the counseling exception for E/Ms, be sure the patient’s medical record has good documentation of the session. For instance, a good note for your scenario might read: “Spent total of 34 minutes with patient. Talked about medication options and possible side effects for 15 minutes, and about diet and ulcer management for 6 minutes.”

Remember: If you cannot enact the counseling exception for this encounter and code based on time, you must code based on the key elements. Choose the service level using the documented level of history, examination, and medical decision making the physician provides. In your case, the visit’s key components would qualify as 99202 (… an expanded problem focused history; an expanded problem focused examination; straightforward medical decision making …).

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Reading 44373’s code descriptor is key to getting your G Tube claim right.

Question: The gastroenterologist goes to the hospital to treat a patient that had recently been admitted because his gastrojejunostomy tube had migrated to his stomach. After performing a problem focused interval history and exam, the gastroenterologist decides to perform an EGD to reposition the tube. I cannot find a code for repositioning a G tube; how should I code this scenario?

Answer: Judging by your encounter description, the patient’s percutaneous jejunostomy tube (J tube) slipped and became a percutaneous gastrostomy tube (G tube). On the claim, report the following:

• 44373 (Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; with conversion of percutaneousgastrostomy tube to a percutaneous jejunostomy tube) for the EGD;
• 99231 (Subsequent hospital care, per day, for the evaluation and management of a patient, which requires at least 2 of these 3 key components: a problem focused interval history; a problem focused examination; medical decision making that is straightforward or of low complexity …) for the E/M;
• modifier 25 (Significant, separately identifiable evaluation and management service by the same physician on the same day of the procedure or other service) appended to 99231 to show that the E/M and tube fix were separate services; and
• 536.42 (Disorders of function of stomach; gastrostomy complications; mechanical complication of gastrostomy) appended to 44373 and 99231 to represent the patient’s condition.

Explanation: The descriptor for 44373 might be a bit misleading, but it mentions only “tube conversion.” The tube does not necessarily have to be new.

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Question: A local family physician refers a patient to our gastroenterologist for a diagnostic colonoscopy. The patient reports to the practice and meets the gastroenterologist for the first time. After answering some patient questions during a brief introduction, the gastroenterologist performs a diagnostic colonoscopy with brushing. The patient had never met the gastroenterologist before. Is the time he spent with the patient pre-screening a separate E/M?

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