Gulf War Presumptive Conditions: 38 CFR 3.317, Undiagnosed Illness, and MUCMI

38 U.S.C. 1117 and 38 CFR 3.317 address compensation for chronic disabilities resulting from an undiagnosed illness or a medically unexplained chronic multisymptom illness in Persian Gulf veterans.

38 CFR 3.317(e)(1) defines a Persian Gulf veteran as a veteran who served in the Southwest Asia theater of operations during the Persian Gulf War. Under 38 CFR 3.2(i), the Persian Gulf War began August 2, 1990, and runs through a date to be prescribed. 38 CFR 3.317(e)(2) refers to Iraq, Kuwait, Saudi Arabia, the neutral zone between Iraq and Saudi Arabia, Bahrain, Qatar, the United Arab Emirates, Oman, the Gulf of Aden, the Gulf of Oman, the Persian Gulf, the Arabian Sea, the Red Sea, and the airspace above these regions. 38 U.S.C. 1117(f), as amended in 2022, defines a Persian Gulf veteran as one who served in the Southwest Asia theater of operations, Afghanistan, Israel, Egypt, Turkey, Syria, or Jordan during the Persian Gulf War. The text of 38 CFR 3.317(e)(2) lists the Southwest Asia locations only.

38 CFR 3.317(a)(2)(i) lists two kinds of qualifying chronic disability: (A) an undiagnosed illness and (B) a medically unexplained chronic multisymptom illness defined by a cluster of signs or symptoms. 38 CFR 3.317(a)(2)(i)(B) gives these examples: chronic fatigue syndrome, fibromyalgia, and functional gastrointestinal disorders (excluding structural gastrointestinal diseases). The Note names irritable bowel syndrome among them. In Part 4 these appear as DC 6354 (4.88b), DC 5025 (4.71a) and DC 7319 (4.114); the DC numbers are not in 3.317.

38 CFR 3.317(a)(4) says disabilities that have existed for 6 months or more, and disabilities with intermittent episodes of improvement and worsening over a 6-month period, will be considered chronic. The 6-month period is measured from the earliest date on which the pertinent evidence establishes that the signs or symptoms first became manifest. 38 CFR 3.317(a)(1)(i) reads "to a degree of 10 percent or more not later than December 31, 2026". 38 U.S.C. 1117(a)(1), as amended by Pub. L. 117-168 sec. 405, reads "became manifest to any degree at any time". This page does not say which text controls.

38 CFR 3.317(a)(1)(ii) refers to a disability that, by history, physical examination, and laboratory tests, cannot be attributed to any known clinical diagnosis. Records potentially relevant to that language include treatment notes, test results, and examination reports. 38 CFR 3.317(a)(7) lists situations in which compensation "shall not be paid under this section", including affirmative evidence of a supervening condition or event or willful misconduct.