20 C.F.R. Appendix C to Part 718

Blood-Gas Tables

Last amended: 2016Year: 2026Length: 343 wordsOfficial source

Cite as 20 C.F.R. Appendix C to Part 718 (2026)

The following tables set forth the values to be applied in determining whether total disability may be established in accordance with § 718.204(b)(2)(ii). The values contained in the tables are indicative of impairment only. They do not establish a degree of disability except as provided in § 718.204(b)(2)(ii) of this subchapter, nor do they establish standards for determining normal alveolar gas exchange values for any particular individual. Tests must not be performed during or soon after an acute respiratory or cardiac illness. A miner who meets the following medical specifications must be found to be totally disabled, in the absence of rebutting evidence, if the values specified in one of the following tables are met: (1) For arterial blood-gas studies performed at test sites up to 2,999 feet above sea level: Arterial PCO2 (mm Hg) Arterial PO2 equal to or less than (mm Hg) 25 or below 75 26 74 27 73 28 72 29 71 30 70 31 69 32 68 33 67 34 66 35 65 36 64 37 63 38 62 39 61 40-49 60 Above 50 ( 1 ) 1 Any value. (2) For arterial blood-gas studies performed at test sites 3,000 to 5,999 feet above sea level: Arterial PCO2 (mm Hg) Arterial PO2 equal to or less than (mm Hg) 25 or below 70 26 69 27 68 28 67 29 66 30 65 31 64 32 63 33 62 34 61 35 60 36 59 37 58 38 57 39 56 40-49 55 Above 50 ( 2 ) 2 Any value. (3) For arterial blood-gas studies performed at test sites 6,000 feet or more above sea level: Arterial PCO2 (mm Hg) Arterial PO2 equal to or less than (mm Hg) 25 or below 65 26 64 27 63 28 62 29 61 30 60 31 59 32 58 33 57 34 56 35 55 36 54 37 53 38 52 39 51 40-49 50 Above 50 ( 3 ) 3 Any value. [65 FR 80045, Dec. 20, 2000, as amended at 78 FR 59115, Sept. 25, 2013]
Cross-references to the CFR
718.204
20 C.F.R. Appendix C to Part 718: Blood-Gas Tables | Justis AI