Clinicians

Billing and Documentation for ADHD Evaluations as an LPC

September 12, 2026 · 7 min read

Last updated September 12, 2026

Counselors who add ADHD evaluation to their practice usually learn the clinical side first and the billing side by trial and denial. This article is the orientation I wish I had received. It is not billing advice for your specific contracts; payer rules vary by state and plan, and you should confirm codes with each payer or a billing professional. It is a map of the terrain so you know what questions to ask.

Scope first, then billing

Whether you can perform and bill for psychological testing depends on your state’s counseling statute and the payer’s credentialing rules, not on your training alone. Some states explicitly include assessment in LPC scope; some restrict certain instruments to psychologists; some are silent. Confirm your state’s position and your board’s interpretation before you buy a test kit. The state-by-state guide is a starting point, not a substitute for reading your statute.

The codes you will encounter

The diagnostic interview is typically billed as a psychiatric diagnostic evaluation (CPT 90791), which most payers credential LPCs to bill. Psychological and neuropsychological testing was restructured in 2019 into separate codes for test administration and scoring (96136 and 96137 when performed by the professional; 96138 and 96139 when by a technician) and for evaluation services, meaning integration, interpretation, and report writing (96130 for the first hour, 96131 for each additional hour). Whether a given payer allows an LPC to bill the 9613x series varies widely; many commercial payers do, Medicare generally does not credential LPCs for these codes, and Medicaid varies by state. Ask before you assume. Rating scales alone are sometimes billed under 96127 (brief emotional or behavioral assessment) in addition to the interview.

What payers look for in the record

Medical necessity documented in the referral question and the intake. The specific instruments administered, with time recorded for administration and for interpretation separately, because the codes are time-based. A report that integrates the results, states a diagnosis with an ICD-10 code (F90.0, F90.1, F90.2, or F90.9 for ADHD presentations), and makes recommendations. Your signature and credentials. Audits of testing codes typically look for the time documentation and for evidence that interpretation actually occurred, so the report is your defense. Keep the raw protocols and score reports in the file.

Private pay and why many counselors choose it

Many counselors offering ADHD evaluation operate outside insurance for this service, charging a flat fee that covers the interview, collateral collection, testing, report, and a feedback session. The reasons are practical: credentialing for testing codes is inconsistent, reimbursement often does not cover the hours involved, and prior authorization adds delay. If you go this route, put the fee, what it includes, the timeline, and the cancellation policy in writing before the first session, and provide a superbill with the codes so the client can seek out-of-network reimbursement. Be clear that reimbursement is not guaranteed. Transparent pricing is also a marketing advantage; clients comparing options want to know the number.

Documentation that protects you

Informed consent specific to evaluation: purpose, procedures, limits of confidentiality, who will receive the report, and the client’s right to decline release. Releases signed for every collateral informant and every recipient of the report. A record of the collateral contacts made and returned. Test security: protocols stored separately from the chart and not released to the client or third parties except to another qualified professional. A copy of the report with the date it was provided. If a report is later used in a legal, disability, or academic context, these records are what establish that you did the work properly.

Common denials and how to avoid them

Testing billed without a preceding diagnostic evaluation. Testing codes billed by a provider type the payer does not credential for them. Time not documented or not matching the units billed. A diagnosis code that does not support testing (for example, a Z code alone). Missing prior authorization where the plan requires it for testing. Most of these are avoided by a call to the payer before the first evaluation you bill them for, asking exactly which codes your license is credentialed for and whether authorization is needed. Write the answer down with the date and the representative’s name.

The bottom line

Confirm scope in your state, confirm credentialing with each payer for the interview and testing codes, document time and interpretation for every testing claim, keep protocols and releases in order, and consider a transparent flat-fee private-pay model if the insurance route does not cover the work. None of this is complicated once you know it is there. Learning it after the first denial is the expensive way.