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Billing and coding

Feel confident about coding with accessible references.

How to use CPT code 90838

Code 90838 represents an add-on for at least 53 minutes of psychotherapy with an E/M code.

How to use CPT code 90838

How to use CPT code 90836

Code 90836 represents an add-on for 38-52 minutes of psychotherapy with an E/M code.

How to use CPT code 90836

How to use CPT code 90833

Code 90833 represents an add-on for 16 to 37 minutes of psychotherapy with an E/M code.

How to use CPT code 90833

How to use CPT code 99215

Code 99215 represents an existing patient appointment that’s at least 40 minutes in duration.

How to use CPT code 99215

How to use CPT code 99214

Code 99214 represents an existing patient appointment that’s at least 30 minutes in duration.

How to use CPT code 99214

How to use CPT code 99213

Code 99213 represents an existing patient appointment that’s at least 20 minutes in duration.

How to use CPT code 99213

How to use CPT code 99212

Code 99212 represents an existing patient appointment that’s at least 10 minutes in duration.

How to use CPT code 99212

How to use CPT code 99205

Code 99205 represents a new patient appointment that’s at least 60 minutes in duration.

How to use CPT code 99205

How to use CPT code 99204

Code 99204 represents a new patient appointment that’s at least 45 minutes in duration.

How to use CPT code 99204

How to use CPT code 99203

Code 99203 represents a new patient appointment that’s at least 30 minutes in duration.

How to use CPT code 99203

How to use CPT code 99202

CPT code 99202 represents a new patient appointment that’s at least 15 minutes in duration.

How to use CPT code 99202

The 10+ most common CPT codes (and how to use them)

Understand the ins and outs of CPT codes to help make documentation and billing more efficient — and give you more time to focus on other areas of your practice.

The 10+ most common CPT codes (and how to use them)

What is the difference between CPT codes and ICD-10 codes?

The two most important coding systems in medical billing are CPT codes and ICD-10 codes. Both have their own distinct purpose, and you’ll need to understand each of them if you’re working with insurance.

What is the difference between CPT codes and ICD-10 codes?

ICD-10 codes for PTSD

The ICD-10 includes one general code for PTSD, along with specifier codes that include a greater level of detail.

ICD-10 codes for PTSD

ICD-10 codes for anxiety

There are many ICD-10 codes associated with anxiety disorders. Generalized Anxiety Disorder is most common, but there may be a more precise code that documents your diagnosis more effectively.

ICD-10 codes for anxiety

ICD-10 codes for depression

Here are some of the most common ICD-10 codes associated with depressive symptoms, with different criteria for frequency, severity, and other features.

ICD-10 codes for depression

ICD-10 codes for ADHD

A client presenting the symptoms of ADHD will most commonly be diagnosed with a specifier code that provides detail about how their symptoms present.

ICD-10 codes for ADHD

How to use Z codes in mental healthcare

Z codes are an important tool for identifying the social needs of a patient population. Here’s how to leverage them effectively and compliantly.

How to use Z codes in mental healthcare

How to use CPT code 90847

Code 90847 represents a session where the identified patient actively participates, giving the provider important visibility into the ways family interactions can contribute to or alleviate a patient’s condition.

How to use CPT code 90847

How to use CPT code 90846

Family therapy can be a covered benefit for many care-seeking couples and households, but you should understand how to leverage code 90846 effectively for clinically-focused sessions.

How to use CPT code 90846

How to use CPT code 90832

If your client demonstrates a clinical need for shorter therapy sessions — or you need to end a session earlier than planned — 90832 might be the right way to bill.

How to use CPT code 90832

How to use CPT code 90834

The “45 minute” session is a core element of mental health care, so it’s vital that every provider knows how to apply the 90834 code to their work.

How to use CPT code 90834

How to use CPT code 90837

The 90837 CPT code is often understood to be the standard of a therapy session among providers. However, insurers have a tendency to flag 90837 more frequently than other codes.

How to use CPT code 90837

How to use CPT code 90792

Because 90792 can only be billed by psychiatrists and nurse practitioners, it’s a less commonly used code for intake assessments, but has many of the same expectations.

How to use CPT code 90792

How to use CPT code 90791

Code 90791 is officially deemed a “diagnostic evaluation,” but you might know it better as an initial assessment. It typically happens in your first session with a client.

How to use CPT code 90791