Pulmonology Coding Alert

Ensure Your Pulse Oximetry Claims Don't Send Off Red Alerts to the OIG

Safety net: You may want to adopt an all-payer modifier 59 policy
 
The Office of Inspector General's increased scrutiny of claims with modifiers 25 and 59 has many coders worried about their pulse oximetry claims.
 
When a third-party payer bundles 94760 (Noninvasive ear or pulse oximetry for oxygen saturation; single determination) into 99211-99215 (Office or other outpatient visit for the evaluation and management of an established patient ...), you may wonder if using modifier 59 (Distinct procedural service) instead of modifier 25 (Significant, separately identifiable E/M service by the same physician on the same day of the  procedure or other service) in these instances is appropriate.
 
The ugly truth: The insurer has probably followed Medicare's lead and considers 94760 a bundled service. "Almost none of the managed-care organizations (MCOs) pay for the pulse oxygen," says Richard Lander, MD, a national coding speaker and coding consultant in Livingston, N.J. Check out the following scenario to see if your pulse oximetry coding is up to speed. Double-Check ICD-9 Codes Consider the following claim submitted by a fellow coder. After you review the services and procedures, take a stab at how you would code the claim before you check out our expert advice below. Decide whether you should use modifier 59 on 94640 for an encounter that involves:

 • 99215     ICD-9: 493.00, 493.90
 • 94760
 • 94640
 • J7613
 • A7003
 • 94060. Hint: Each modifier indicates these encounter circumstances:
 
• 25 -- identifies the E/M service as significant and separately identifiable from a same-day procedure or service performed by the same pulmonologist
 
• 59 -- indicates that the pulmonologist rendered "either a procedure or service that was different or independent from other things he did that day," Lander says.
 
Step-by-step solution: Before you zoom in on the modifier as the potential key to unlocking payment for 94760, review your diagnoses.
 
A fifth-digit subclassification of 2 -- 493.02 (Extrinsic asthma; with [acute] exacerbation) or 493.92 (Asthma, unspecified; with [acute] exacerbation) -- better shows the medical necessity for performing spirometry with bronchodilation (94060, Bronchodilation responsiveness, spirometry as in 94010, pre- and post-bronchodilator administration) and nebulizer treatment (94640, Pressurized or nonpressurized inhalation treatment for acute airway obstruction or for sputum induction for diagnostic purposes ...) than the unspecified 0 digit, says Catherine A. Hudson, RMA, RPT, in Marietta, Ga.
 
On claims involving this level of service (99215), the patient "is almost always exacerbated," she says.
 
In fact, you should use only the definitive diagnosis, such as 493.02, not the preliminary diagnosis (i.e., 493.92). Let NCCI Be Your Guide Next, refer to the National Correct Coding Initiative (NCCI). The edits designate the pulse oximetry bundles with a 0, says Vicky V. O'Neil CPC, CCS-P, coding and compliance educator in St. Louis, Mo. That means you can never override [...]
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