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Unacceptable principal diagnosis codes

ICD-10 coding rules for There are selected codes that describe a circumstance which influences an individual's health status but not a current illness or injury, or codes that are not specific manifestations but may be due to an underlying cause. These codes are considered unacceptable as a principal diagnosis..

Unacceptable principal diagnosis codes. — See additional coding rules

  • O41.1091 Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 1
  • O41.1092 Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 2
  • O41.1093 Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 3
  • O41.1094 Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 4
  • O41.1095 Infection of amniotic sac and membranes, unspecified, unspecified trimester, fetus 5
  • O41.1099 Infection of amniotic sac and membranes, unspecified, unspecified trimester, other fetus
  • O41.1210 Chorioamnionitis, first trimester, not applicable or unspecified
  • O41.1211 Chorioamnionitis, first trimester, fetus 1
  • O41.1212 Chorioamnionitis, first trimester, fetus 2
  • O41.1213 Chorioamnionitis, first trimester, fetus 3
  • O41.1214 Chorioamnionitis, first trimester, fetus 4
  • O41.1215 Chorioamnionitis, first trimester, fetus 5
  • O41.1219 Chorioamnionitis, first trimester, other fetus
  • O41.1220 Chorioamnionitis, second trimester, not applicable or unspecified
  • O41.1221 Chorioamnionitis, second trimester, fetus 1
  • O41.1222 Chorioamnionitis, second trimester, fetus 2
  • O41.1223 Chorioamnionitis, second trimester, fetus 3
  • O41.1224 Chorioamnionitis, second trimester, fetus 4
  • O41.1225 Chorioamnionitis, second trimester, fetus 5
  • O41.1229 Chorioamnionitis, second trimester, other fetus
  • O41.1230 Chorioamnionitis, third trimester, not applicable or unspecified
  • O41.1231 Chorioamnionitis, third trimester, fetus 1
  • O41.1232 Chorioamnionitis, third trimester, fetus 2
  • O41.1233 Chorioamnionitis, third trimester, fetus 3
  • O41.1234 Chorioamnionitis, third trimester, fetus 4
  • O41.1235 Chorioamnionitis, third trimester, fetus 5
  • O41.1239 Chorioamnionitis, third trimester, other fetus
  • O41.1290 Chorioamnionitis, unspecified trimester, not applicable or unspecified
  • O41.1291 Chorioamnionitis, unspecified trimester, fetus 1
  • O41.1292 Chorioamnionitis, unspecified trimester, fetus 2
  • O41.1293 Chorioamnionitis, unspecified trimester, fetus 3
  • O41.1294 Chorioamnionitis, unspecified trimester, fetus 4
  • O41.1295 Chorioamnionitis, unspecified trimester, fetus 5
  • O41.1299 Chorioamnionitis, unspecified trimester, other fetus
  • O41.1410 Placentitis, first trimester, not applicable or unspecified
  • O41.1411 Placentitis, first trimester, fetus 1
  • O41.1412 Placentitis, first trimester, fetus 2
  • O41.1413 Placentitis, first trimester, fetus 3
  • O41.1414 Placentitis, first trimester, fetus 4
  • O41.1415 Placentitis, first trimester, fetus 5
  • O41.1419 Placentitis, first trimester, other fetus
  • O41.1420 Placentitis, second trimester, not applicable or unspecified
  • O41.1421 Placentitis, second trimester, fetus 1
  • O41.1422 Placentitis, second trimester, fetus 2
  • O41.1423 Placentitis, second trimester, fetus 3
  • O41.1424 Placentitis, second trimester, fetus 4
  • O41.1424 Placentitis, second trimester, fetus 4
  • O94 Sequelae of complication of pregnancy, childbirth, and the puerperium
  • O99.820 Streptococcus B carrier state complicating pregnancy
  • O99.825 Streptococcus B carrier state complicating the puerperium
  • R18.0 Malignant ascites
  • R29.700 NIHSS score 0
  • R29.701 NIHSS score 1
  • R29.702 NIHSS score 2
  • R29.703 NIHSS score 3
  • R29.704 NIHSS score 4
  • R29.705 NIHSS score 5
  • R29.706 NIHSS score 6
  • R29.707 NIHSS score 7
  • R29.708 NIHSS score 8
  • R29.709 NIHSS score 9
  • R29.710 NIHSS score 10
  • R29.711 NIHSS score 11
  • R29.712 NIHSS score 12
  • R29.713 NIHSS score 13
  • R29.714 NIHSS score 14
  • R29.715 NIHSS score 15
  • R29.716 NIHSS score 16
  • R29.717 NIHSS score 17
  • R29.718 NIHSS score 18
  • R29.719 NIHSS score 19
  • R29.720 NIHSS score 20
  • R29.721 NIHSS score 21
  • R29.722 NIHSS score 22
  • R29.723 NIHSS score 23
  • R29.724 NIHSS score 24
  • R29.725 NIHSS score 25
  • R29.726 NIHSS score 26
  • R29.727 NIHSS score 27
  • R29.728 NIHSS score 28
  • R29.729 NIHSS score 29
  • R29.730 NIHSS score 30
  • R29.731 NIHSS score 31
  • R29.732 NIHSS score 32
  • R29.733 NIHSS score 33
  • R29.734 NIHSS score 34
  • R29.735 NIHSS score 35
  • R29.736 NIHSS score 36
  • R29.737 NIHSS score 37
  • R29.738 NIHSS score 38
  • R29.739 NIHSS score 39
  • R29.740 NIHSS score 40
  • R29.741 NIHSS score 41
  • R29.742 NIHSS score 42
  • R40.2110 Coma scale, eyes open, never, unspecified time
  • R40.2111 Coma scale, eyes open, never, in the field [EMT or ambulance]
  • R40.2112 Coma scale, eyes open, never, at arrival to emergency department
  • R40.2113 Coma scale, eyes open, never, at hospital admission
  • R40.2114 Coma scale, eyes open, never, 24 hours or more after hospital admission
  • R40.2120 Coma scale, eyes open, to pain, unspecified time