If you just got denied or lowballed, requesting your VA C-file (claims file) is the cleanest way to confirm exactly what evidence the VA reviewed and what they relied on to rate or deny you. You are not here to guess. You are here to understand. Your C-file usually includes your claim forms, service records the VA pulled, VA and private medical records in the file, C&P exam reports and DBQs, correspondence, and internal rating documents (like the rating decision and often a rating codesheet). Once you have it, you can map the denial language to the missing pillar: (1) diagnosis, (2) service connection (event or nexus), or (3) severity. This is general education, not legal advice. Timelines and contents vary by case, and some documents may be missing or redacted. But the method stays the same: get the file, find the decision-driving documents, and pick the review lane that matches what is actually missing.
The C-file is the VA’s master record for your compensation claim history. Think of it as the binder the rater could flip through to justify the outcome. It is not one single document. It is a collection. What a C-file commonly contains: your applications and statements, VA development letters, Service Treatment Records (STRs) and personnel records (if obtained), VA treatment records that were pulled into the claim, private records you submitted, buddy statements, C&P exam reports and DBQs, medical opinions, the rating decision narrative, and sometimes the rating codesheet. What it is not: it is not guaranteed to include every medical record that exists in the VA health system. It includes what was pulled into the claim record. It also is not the same thing as downloading your VA medical notes from My HealtheVet, and it is not the same as just getting your most recent DBQ.
Most veterans request the C-file under the Privacy Act and FOIA. The practical goal is simple: get a full copy of your claims file in a usable format (often a digital disc or downloadable file, depending on what VA provides at the time). No hype. No shortcuts. No confusion. Step 1: Decide what you are requesting. Use clear language like: “I am requesting a complete copy of my VA claims file (C-file), to include all rating decisions, rating codesheets, C&P exam reports/DBQs, medical opinions, and all evidence of record.” If you only request “records,” you can get partial results. Be specific. Step 2: Submit a written request using VA’s FOIA/Privacy Act process. Veterans often submit VA Form 20-10206 (Freedom of Information Act or Privacy Act Request). If you use a letter instead, include your full name, file number or SSN (as required), date of birth, current mailing address, phone, signature, and the exact scope of what you want. Step 3: Keep proof of submission. Save a copy of what you sent and how you sent it (upload confirmation, fax confirmation, certified mail tracking, or a date-stamped copy). If you later need to show delays or missing pages, this matters. Step 4: Set expectations on timeline. C-file requests are not fast. Many veterans wait months. Some wait longer. The VA is processing a records request, not an appeal, and the backlog varies. Plan your next move assuming you might not have the C-file immediately. Important: Do not let a C-file request cause you to miss your 1-year deadline to seek review after a decision. Under AMA, you generally have 1 year from the date of the decision to file a Supplemental Claim, request Higher-Level Review, or appeal to the Board to preserve the effective date through continuous pursuit.
If you are inside the 1-year window after a denial or low rating, your first job is deadline control. A C-file request does not pause the clock. If you are close to the 1-year mark, talk to an accredited representative about filing the best-fit lane with what you have, then supplementing later if appropriate. In the meantime, you can often obtain high-value pieces faster than the full C-file: (1) your decision letter and rating decision narrative, (2) your most recent C&P exam report/DBQ, and (3) your VA treatment records. Those three items usually reveal the reason for denial or why severity was rated low. If your immediate need is the C&P exam report and DBQ, we already have a focused guide on that process: /blog/how-to-get-your-va-cp-exam-dbq-results-and-what-to-do-if-va-wont-release-them. Use that as a bridge while the full C-file request works through the system.
When the C-file arrives, do not read it like a novel. Read it like an investigator. We follow VA logic step by step: what was claimed, what evidence existed, what exam findings were recorded, what standards were applied, and what the rater decided. Start by building a one-page index for yourself: (a) claimed conditions, (b) decision outcome for each condition (granted/denied/increase denied), (c) the stated reasons and bases, (d) the evidence list VA says it reviewed, and (e) the key documents that actually drive the outcome. Use this order to scan and flag documents: 1) The decision letter and rating decision narrative (Reasons and Bases). Highlight every sentence that explains “why.” This language usually maps to one missing pillar: no current diagnosis, no in-service event, no nexus, or severity does not meet the next rating level. 2) The Evidence list. Compare what VA says it reviewed versus what you know exists. If a private record, STR entry, or specialist report is missing, that is a major signal for a Supplemental Claim (new and relevant evidence) or a duty-to-assist argument. 3) C&P exam reports and DBQs. These often decide the case. Flag: incorrect onset history, missing symptoms, failure to address flare-ups, vague functional impact, or an examiner opinion that uses speculative language. For musculoskeletal claims, look for range of motion details and flare-up estimates. For mental health, look for occupational and social impairment level and the symptom list. 4) Medical opinions (nexus opinions). Identify whether the opinion is favorable, unfavorable, or non-opinion. Flag weak rationale, failure to address your lay statements, or reliance on an incorrect fact (for example, “no treatment in service” when STRs show treatment). 5) STRs and personnel records. Confirm the in-service event, complaint, diagnosis, profile, line of duty documentation, deployments, MOS duties, and any documented exposures. If the denial says “no in-service event” but the file contains one, that points toward Higher-Level Review (error on existing evidence). 6) Rating codesheet (if included). This is the behind-the-scenes map of diagnostic codes, effective dates, and combined rating math. If you are underrated, the codesheet can show whether VA used the right diagnostic code and whether secondary conditions or bilateral factor issues were considered. Practical tip: As you flag issues, label them as either (A) missing evidence, (B) wrong facts, or (C) wrong application of the rating criteria. That labeling is what drives your lane choice.
Once you know what VA saw, you can choose a lane based on what is fixable with evidence versus what is fixable by pointing out an error. Here is the clean decision logic. Choose a Supplemental Claim when: you need to add something new and relevant. Examples: a missing diagnosis, an updated imaging report, a private specialist nexus letter, a buddy statement that confirms the in-service event, a migraine log showing prostrating attacks, or a corrected DBQ from a treating provider. Supplemental is the lane built for new evidence. (AMA form: VA Form 20-0995.) Choose Higher-Level Review (HLR) when: the VA already had the evidence, but misread it, ignored it, or applied the standard incorrectly. No new evidence is allowed in HLR. This is where you point to the exact page and say: “The record shows X, but the decision states Y.” If your C-file shows STR documentation and the denial says “no in-service event,” HLR is often the cleanest first shot. (AMA form: VA Form 20-0996.) Choose the Board when: you need a Veterans Law Judge to resolve a dispute that is not likely to be fixed quickly at the regional level, or you need to submit evidence under the Board Evidence Submission docket, or you want a hearing. Board appeals can take longer, but they are the lane for judge-level review. (AMA form: VA Form 10182.) Illustrative scenario: You were denied for a back condition because “no nexus.” Your C-file shows a C&P opinion that says “less likely than not” with a one-line rationale and it fails to discuss your documented in-service injury and continuous symptoms. If you can obtain a strong medical opinion that addresses those facts, that is usually Supplemental (new and relevant evidence). If the C-file already contains a favorable nexus opinion that the rater did not address, that is a classic HLR argument. If you want a broader lane comparison with what each one needs, use our existing guide: /blog/denied-va-claim-choose-supplemental-hlr-or-board-and-know-what-each-needs.
Your next step is not to re-argue the whole case. It is to extract the decision-driving documents, then match the denial language to the missing pillar: diagnosis, service connection, or severity. If you want a structured way to do that mapping before you pick a lane, use our VA Letter Help at /denial-decoder. It is built to translate “Reasons and Bases” into the specific evidence gap to close, so your Supplemental or HLR is targeted instead of emotional.