Cross-Referencing Deposition Testimony and Medical Records

TL;DR: Deposition testimony and medical records check each other. Testimony names providers, visits and tests. The records show what was actually documented. Cross-referencing the two does two jobs. First, it exposes missing records. Then, once the file is complete, it exposes contradictions. You can do it by hand across every transcript and chart, or newcase.ai flags both automatically, with a citation to the page (records) or page and line (testimony) behind every flag.

Key Takeaways

• A typical Medicare patient sees 2 primary care physicians and 5 specialists across 4 practices in a year. One provider's chart covers only part of the care.

• Only 43% of U.S. hospitals routinely exchange patient information electronically, so care from other providers often never reaches the chart you receive.

• Every provider, visit and test a witness names in a deposition should have a matching record. The ones that don't are your request list.

• Review for contradictions after the record set is complete. A missing record can look exactly like a contradiction.

• newcase.ai flags records that are referenced in other records or in testimony but missing from the production. It also flags testimony that conflicts with the chart.

Can AI cross-reference deposition testimony against the medical records?

Yes. If it is purpose built for medical records and depositions. Litigation AI can read every deposition transcript and every page of medical records in a matter, pull out each provider, visit, test and symptom they mention, and match them against each other. Unmatched references point to missing records. Mismatched facts point to contradictions. Each finding should cite the transcript page and line and the record page, so an attorney can verify it in seconds.

The order matters. Contradictions found in an incomplete file are unreliable. Complete the record set first, then compare.

Why are medical record productions so often incomplete?

Care is spread across many providers, and records rarely travel with the patient. A NEJM analysis of Medicare claims found the typical patient saw a median of two primary care physicians and five specialists working in four different practices in a single year. Each practice keeps its own chart.

Hospitals still struggle to share records electronically. In ONC's 2024 data brief, only 43% of hospitals routinely exchanged patient information electronically, and 42% said clinicians routinely use outside information when treating patients.

Productions also vary by provider. Custodians apply different definitions of the "legal health record," and categories like psychotherapy notes and peer-review files are commonly held back. A custodian certification under FRE 902(11) authenticates the pages that were produced. Pages that were never sent fall outside it.

Where do missing medical records show up?

Missing records leave traces in two places, and a thorough review checks both.

1. References inside other records. A referral letter to a specialist whose notes aren't in the file. An ER note that says "compared with prior MRI." A medication list naming a prescriber you've never seen. A discharge summary ordering follow-up physical therapy that never appears.

2. Deposition testimony. Witnesses name care that nobody requested: an urgent care visit on a trip, a chiropractor from years ago, a pharmacy, a prior surgery. A treating physician testifies that she "reviewed the outside films." Each of these should map to a record. Most reviews never check.

How does AI flag missing records?

AI builds a list of every provider, date, test and facility referenced across the records and the transcripts, then checks each one against the documents actually produced. Every reference without a matching record goes on a flagged list with its source citation. newcase.ai does this automatically, for references inside records and in testimony, so the supplemental request list is ready before anyone starts reading.

How does deposition testimony reveal missing records? A worked example

Hypothetical; A witness testifies that after a minor car accident in 2021 she "saw a chiropractor a few times" (64:3-64:11). The produced records start in 2023. Separately, a 2023 emergency department note lists a "history of low back pain, previously treated." Two independent references point to the same missing provider.

The chiropractic records arrive and show 11 visits for lumbar pain over 2021 and 2022. Now the statement at 88:2-88:9 conflicts with the medical record. Checking the testimony against the incomplete file alone would have missed that.

What happens when deposition testimony contradicts the medical records?

A conflict between testimony and the chart can be used, and the rules of evidence support it:

• FRE 801(d)(2)(A): a party's own statement, including the history they gave a doctor, can be offered against them.

• FRE 803(4): statements made for medical diagnosis or treatment are an exception to the hearsay rule.

• FRE 613: the witness gets a chance to explain or deny a prior inconsistent statement before extrinsic evidence comes in.

Verify before you use it. In a JAMA Network Open study of 22,889 patients who read their visit notes, 21% reported finding a mistake, and medical history errors made up 24% of the most serious ones. Check who recorded the history, whether it was copied forward from an older note, and whether other records corroborate it.

"[Nader to edit]"

Nader Karayanni, CEO and Co-Founder, newcase.ai

Cross-referencing by hand vs. with newcase.ai

The testimony side starts from cited transcripts. newcase.ai Deposition Summaries give every statement a page-line citation, so each flag leads straight back to the exact testimony.

FAQ

How do you know if medical records are complete?
List every provider, visit, test and referral mentioned anywhere in the file and in deposition testimony, then check each one against the records produced. Every reference without a matching record points to something missing. Also compare the date range of the production with the dates of care described in the testimony.

What records are commonly missing from a production?
Records from other providers mentioned in referrals, outside imaging, physical therapy and chiropractic notes, pharmacy records, and care from before the incident. Psychotherapy notes and peer-review files are commonly withheld. Definitions of the "legal health record" vary by provider, so two custodians can produce very different sets.

Does a records custodian certification mean the records are complete?
A certification under FRE 902(11) authenticates the records that were produced as business records. It covers the pages in the production. Missing records have to be found by cross-referencing the file against itself and against testimony, then requested separately.

Can medical records be used to impeach a witness?
Yes. A party's own statements recorded in the chart can be offered against them under FRE 801(d)(2)(A), and statements made for diagnosis or treatment fall under the FRE 803(4) hearsay exception. Under FRE 613, the witness must get a chance to explain or deny the inconsistency. Confirm the chart entry is accurate first.

Can AI flag missing medical records?
Yes. AI can match every provider, visit and test referenced in the records and in deposition testimony against the documents produced, and flag each unmatched reference with its source citation. newcase.ai does this automatically, then flags testimony that conflicts with the medical record once the set is complete.

The Bottom Line

Deposition testimony is the best map of the records you haven't received. Use it to complete the file, then use the complete file to test the testimony. newcase.ai runs both passes automatically across every transcript and every page of records, with a citation behind each flag.

See how newcase.ai Never Miss a Fact cross-references testimony and medical records across your whole case.

Sources

• Care Patterns in Medicare and Their Implications for Pay for Performance, NEJM (Pham et al., 2007)

• Interoperable Exchange of Patient Health Information Among U.S. Hospitals: 2023, ONC Data Brief No. 71

• Producing Patient Records: The Designated Record Set and the Legal Health Record, Holland & Hart

• Frequency and Types of Patient-Reported Errors in EHR Ambulatory Care Notes, JAMA Network Open (via OpenNotes)

• Federal Rule of Evidence 801, Cornell LII

• Federal Rule of Evidence 803, Cornell LII

• Federal Rule of Evidence 613, Cornell LII

• Federal Rule of Evidence 902, Cornell LII