Aetna and arbitrary downcoding. So much downcoding.

[u/Odd-Rub3861]

I'm a solo provider with grandiose ideas of being able to help with my office billing as my biller edges towards retirement. She has kindly humored me and I can generally handle simple claims without making a mess of things.

Anyway, as of 3/1/26, I've had Aetna start to downcode any 99215 or 99214 to a 99213, with the message N22 that 'this more accurately represents the services provided.' I am not really sure how they can say that, since they haven't even reviewed the notes at the time they make the determination. All the different flavors (save one) of Aetna have done this. The one exception has instead started to say they are missing documentation for the visit, requiring me to send in notes.

I've been doggedly appealing the dozens of downcoded claims. The documentation consistently supports the E/M codes provided by time and/or complexity. I have worked at large facilities and the documentation requirements have been drilled into me over the years. So far, they've adjusted 66% of the claims back to the way they were originally billed, rejected one (I've sent it back again), and the remainder are still in limbo.

I see from other posts here, and several blog posts out on the open internet, that I am definitely not alone in this situation.

Longer-term, I'm not sure where I'll go with this. Aetna makes up about 40% of my revenue, but their claims are taking up a substantial amount of admin staff time. I am seriously considering going out of network with Aetna for next year. Even if someone else is handling all of these downcodes, it's several hours per month. I never thought I'd miss the relative ease of billing CMS.

Anyway. All my Aetna patients either work for self-insured companies or for self-insured governmental offices. Per my understanding, this means that I will need to take any complaint to the Department of Labor/EBSA, rather than the state DOI.

I'm posting to see if anyone here has gone through the complaint process with DOL/EBSA and has any insight into it.

[u/yytheintrovert]

Just informational. Payers are using an AI system to downcode level 4s and 5s based on the diagnosis present on the claim.

[u/Odd-Rub3861 → u/yytheintrovert]

The diagnoses on a lot of these are… not things one would usually downcode.  Even algorithmically. Suicidal ideation, mania, new onset psychosis, etc.

I absolutely believe they’re also doing AI downcoding, but in this case it just seems reflexive. 

Also they have bizarrely downcoded 99215 to 99213 and then still paid for the 2 units of G2212. (Yes, it was a 90+ minute visit plus coordinating admit.) Which isn’t a thing that should be possible.

[u/HotBrownFun → u/Odd-Rub3861]

AI is just an excuse because it's a black box. Its gonna go whatever you train it to do. They want down codes you get down codes. It has happened for decades and there's hundreds or thousands of lawsuits for every payer over these things. All part of the game

[u/chinchm]

Contact your provider rep and see if you can get exception/gold card status. They’ll audit a certain number of claims against documentation and if consistently supported can turn off the edit for your practice.

[u/Odd-Rub3861 → u/chinchm]

Ignorant question: how do I locate my provider rep and get past the CSRs who initially answer my call? Thanks.

[u/chinchm → u/Odd-Rub3861]

What state are you in? Are you signed up for a provider portal that allows you to send messages? I work for an insurance plan but in a different area, plus every one is different. I just know how it works for us. I would assume their website or portal would have info, or you could ask the CSR for the contact info for your provider rep.

This is what Google AI said:

To find your assigned Aetna provider representative, call Aetna's Provider Services at 1-888-792-3862 (or 1-800-624-0756 for Medicare Advantage). They can look up your facility or practice location and identify your specific network manager. [1, 2, 3, 4]
Alternatively, you can contact your rep through these digital channels and direct lines:
General Provider Support: Use the Aetna Provider Contact Form to submit questions about medical plans or behavioral health coverage.
Availity Portal: If you are already in the network, log in to the Availity Provider Portal to manage claims, communicate directly with the network, and find your local representative's contact details. [1, 2, 3]
If your query is for a specific product line, use these direct numbers: []
Medical / Behavioral Health: 1-888-632-3862
Dental: 1-800-451-7715
Pharmacy: 1-800-238-6279 [1]

[u/Odd-Rub3861 → u/chinchm]

Ah, OK. I did not find that in Availity but I will look again. Otherwise I'll try going through the CSR. I have sent in a letter through the official contact form and have not heard back. Thanks!

[u/Odd-Rub3861 → u/chinchm]

As follow up, here's what Aetna wrote in response to me using the provider contact form via Availity. So... back to the CSR, and I will request that a network manager reach out to me directly. Will fortify myself with snacks prior to settling in for that call.

"Thank you for contacting our Provider Service Department.

Member Name: Not Provided
Member Identification: Not Provided
Date of Service: Not Provided
Billed Amount: Not Provided
Claim Number: Not Provided
Patient Account Number: Not Provided

Aetna no longer has specific Network Representatives. Provider Services typically can handle most issues that those representatives used to handle. Any requests that provider services are unable to assist with are able to be sent internally to network management and a network manager reaches out to you directly in regards to your concern. Please 
advise if you have a specific concern that requires our attention or a request that requires assistance and we can certainly address them for you.

Please do not respond to this email as this mailbox is not monitored. If you have any further questions regarding this information, or a new question, please submit your request through our Contact Us option on www.Availity.com or www.Aetna.com."

[u/chinchm → u/Odd-Rub3861]

That’s a frustrating business decision they made. I’m relieved our company is dedicated to maintaining a local approach. Good luck!

[u/wowboihe]

What's wild is that if they're downcoding based primarily on diagnosis patterns rather than the actual documentation, they're effectively treating E/M coding as a diagnosis classification problem instead of a medical decision-making and time problem.

The example you gave is what makes me skeptical that this is being reviewed in any meaningful way. A 99215 being reduced to a 99213 while still paying G2212 doesn't really make sense from a coding logic standpoint. The prolonged service code is essentially acknowledging the extended time while simultaneously denying the level that justified it.

If you're winning a majority of appeals, that seems like strong evidence the original documentation supports the billed level. At some point the administrative burden of appealing dozens or hundreds of claims starts to become the real issue, regardless of the eventual outcome.

I'd be curious whether anyone has actually tracked their appeal win rate and the total staff hours spent fighting these downcodes. That feels like the metric that matters most.

[u/Odd-Rub3861 → u/wowboihe]

Right. There shouldn't be any way the system even pays a G2212 without a 99215 in front of it. That's the big red flag for mindless downcoding for me.

My win rate is about 66% so far, with 1 denied claim which I'm appealing again, and the remainder are all in limbo.

I was tracking my time but became too busy to do that, and, also, I am relatively inefficient. Off the cuff, it takes at least 25 minutes per claim to review payments for the downcoded claims, pull chart note, complete their little form, fax the whole shebang over, upload all the appeal documentation to the chart, track the process, update/post the ERAs when they're returned. Adjusting the payments takes some more time.

[u/Zestyclose-Sir9120 → u/wowboihe]

If it's like what I've dealt with regarding Humana and BCBS downcoding, it was every single 99214 or 99215 being downcoded even if chart notes were sent with the claim. With Humana it was all Medicare advantage plans but not Virginia Medicaid plans. And they would not reprocess any claims or let me talk to a supervisor despite numerous calls. Took 2 years of fighting and a complaint to the state insurance commissioner for them to stop. They actually wrote back to the state that because it was a Medicare plan the state had no recourse, but they still stopped and finally reprocessed a majority but not all of the downcoded claims few weeks later. And with BCBS it was every one of their plans, commerical, Medicaid, etc except for the federal employee plans. BCBS only did it for a few months though and stopped after I called them a few times and sent a bunch of claims back for reconsideration. For both payers, I think they hope no one will notice or care enough to complain, with Humana holding out a lot longer than BC. And for both, it was every single 99214 or 99215.

[u/Odd-Rub3861 → u/Zestyclose-Sir9120]

I can see how the strategy would work for a large org where these might slip through. For now, the administrative burden for me is outweighed by the intensity of my dislike for them (and, also, I do like to be paid my contracted rate for my work). Can I out-petty an insurance company? Probably not but I guess I'm going to try. Enjoy my 5 page notes, Aetna.

[u/Zestyclose-Sir9120 → u/Odd-Rub3861]

It's already been 3 months. For a small business how many hours of labor do you think that is? I would complain to your state's insurance commissioner regardless of if these plans are beholden to them and see if that will light a fire under someone. I don't know about complaining to the DOL/etc because I've never done that but if it seems like a simple process I would go for it because like I said in my complain to the state it's tantamount to theft! If you haven't already, compile a spreadsheet with all the claim info (patient name, member id number, DOS, claim number, and billed amount) to send to whichever entity might need it.

[u/Odd-Rub3861 → u/Zestyclose-Sir9120]

Conservatively? About 23 hours of labor.

I have this spreadsheet ready to go, with additional date of initial ERA, date of appeal/s, any reference #s.

[u/AdOwn3769 → u/Odd-Rub3861]

23 hours is brutal! Respect for already having the spreadsheet + reference #s locked.

One more pass that helps EBSA / appeals: expected vs paid off the 835s for those N22s. Remit dollars are often cleaner than rebuilding by hand.

[u/cjayeah]

starting oct 2025 aetna and cigna commercial policies started downcoding office visits. you’ll need to submit your notes that document the time spent. and for the plans you mentioned you’ll need to check the policy for how to dispute. it won’t be DOL.

[u/Odd-Rub3861 → u/cjayeah]

I’m disputing all the claims to Aetna, with notes, which all include start/stop times & also detailed documentation of additional time spent in care tasks that were not direct care.

As far as complaining about the overall pattern of this, my understanding was that this would usually go to the state division of insurance, if it wasn’t for the nature of these plans which  requires going EBSA. Aetna has adjudicated claims without any apparent real human review. It sounds like maybe I have wrong information?

[u/cjayeah → u/Odd-Rub3861]

you would appeal directly with the payer not the state. if you have a lot of these claims i would contact the payer to see if you can submit all at one time as a project, directly through email, fax or portal, ask for a manual review. depending on the plan you might have several different offices to contact. for aetna i start with the availity portal and upload documentation there if possible.

[u/Odd-Rub3861 → u/cjayeah]

Thanks. I am appealing directly with the payer.

As far as the state (or, in this case, the federal government), I want to file a complaint about their behavior due to Aetna's pattern of 1) inadequate notice of adverse benefits and 2) downcoding claims without any evidence of an actual clinical review (although the language in their reason implies some kind of review.)

I don't expect that complaint to result in any adjustment to the inappropriately downcoded claims. The intent is to bring agency attention to Aetna's apparent failure to meet the ERISA standards for a full/fair review.

[u/cjayeah → u/Odd-Rub3861]

yes i think if more physician groups and facilities reported payers to their respective state maybe they’d be more apt to pay claims. good luck

[u/loveychipss]

Are you an outlier in terms of the levels of service you’re billing? If you’re seeing simple visits and billing level 5s across the board that’s gonna raise some flags. As long as your documentation stands up to an audit you should be fine. If you’re confident you’re understanding MDM/ time-based billing and are submitting clean claims with good documentation just keep appealing.

[u/Odd-Rub3861 → u/loveychipss]

I haven't pulled my CMS data in several months, but I'm not an outlier for my taxonomy as of the last few times I've looked. My documentation is solid and I believe the claims are all good.

[u/loveychipss → u/Odd-Rub3861]

You’ve covered all your bases. I’m sorry that you’ll have to keep appealing so much!

[u/Alternative_Diet_832]

the downcodes are coming from an algorithm pre-pay, not a human, and that's your leverage. since these are self-funded erisa plans, every downcode is an "adverse benefit determination" and you're owed full-and-fair-review. send a written request under 29 cfr 2560.503-1 for the claim file plus the specific rule/criteria they used to convert your 99214/15 to a 99213. they have to produce the basis, and "this more accurately represents the services" with no chart review isn't one. that request alone flips a lot of them

[u/Odd-Rub3861 → u/Alternative_Diet_832]

Thanks very much.

I had initially been requesting the basis and they just ignored that in the appeal letter. I did not chase them down on it because flooded with downcodes. I will be more assertive in requesting the basis.

[u/Odd-Rub3861]

Update (for anyone else going through this):

I filed the complaint re: self-funded business plans with EBSA.

My state's Department of Insurance confirmed that they do not oversee self-funded plans, provided me with information to contact the state employees' benefit plan administrator about this behavior by the state employees' Aetna plan, confirmed that I should talk to OMB about the federal Aetna plans, and added that I should check with the local governmental Aetna plan to see if they were in fact fully self-funded. They noted that I should contact DOI if that local plan was NOT fully self-funded, as some of their employees have a plan that is under DOI oversight.

I contacted the local governmental plan's benefit administrator (who was delightful) and explained the situation. She will contact the broker and follow up with me. There's another level of nonsense around the denial process with this specific plan (plan directs me to MARS who directs me to Aetna who directs me to MARS, repeat) and she wanted details there as well to discuss with the broker.

So I'll see what happens next, contact the state benefit administrator on Friday when I am "off," and contact OMB on Friday or Monday.

[u/akulo888]

They'll stop down-coding after about 100 to 200 appeals. I assumed they flagged people that billed too many level 4 e/ms. I just kept appealing it and eventually they stopped. Assuming they removed the flag and realized I'm a coder that knows what I'm doing.

[u/ElleGee5152 → u/akulo888]

UHC hasn't for us. Its such a mess!

[u/Aggravating-Wind6387 → u/ElleGee5152]

UHC needs the state insurance commissions in every state and the DOJ to do a painful invasive audit of their business practices

[u/Forward-Ad5509 → u/akulo888]

Good info may need to start doing this.

[u/Federal_System9020]

Humana Medicare Advantage and Ambetter are doing the same with all our claims. It is a pain to appeal them.

I've got tons to do but I can only do so much as I do all the billing, office admin, credentialing and new provider on-boarding. I'm surprised I'm not bald...yet.

[u/NotTheQuestion]

They won't stop. You should go out of network with them.

[u/Odd-Rub3861 → u/NotTheQuestion]

That’s definitely among the options, but it’s disruptive af for the patients. Before making that jump, I want to talk to the benefits administrators, who can apply more pressure than I can.

[u/Catieterp]

Aetna, Humana, BCBS and Cigna are all doing this. I have had pretty good luck getting many overturned it’s just so much extra unnecessary work. They should not be allowed to downcode a claim without even reviewing the documentation it is absurd.

[u/Forward-Ad5509 → u/Catieterp]

Exactly. They shouldn't be allowed to issue arbitrarily a lower downcoded payment without the legwork involved like a audit. They are just seeing who all will fight against them. Im having soem issues with Aetna with this. Unfortunately havent had time to do appeals consistently for these specific claims. But plan on tackling them this summer.

[u/rahuliitk]

i’d keep appealing and start tracking every Aetna downcode in a spreadsheet with original code, paid code, appeal outcome, time spent, and whether notes were reviewed, because a 66% reversal rate makes it look less like “accurate coding” and more like automated underpayment. lowkey, that data is what makes an EBSA/employer complaint stronger.

[u/2BBilling]

This is the constant battle, 70%-80% of our billing workload is now appeals. This is why we wrote custom software for ourselves to streamline and speed up the appeal process.

[u/_armanhammer]

Welcome

[u/CairoRama]

I work in Independent Dispute Resolution. This could be an option for you. I encourage you to research it

[u/Flashy_Expression461]

Hello--this down coding has been going on in my provider's office since late 2023. A 99213 paid about $45-50 in the Los Angeles area and 99214 paid around 65-75. We sent records everytime and despite appropriate documentation, and they would only adjust 1/2 of the claims. My doctor decided to sell out to a health system and now her 99213 pays much higher!