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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

  • T36.0X6A Underdosing of penicillins, initial encounter
  • T36.0X6D Underdosing of penicillins, subsequent encounter
  • T36.0X6S Underdosing of penicillins, sequela
  • T36.1X5A Adverse effect of cephalosporins and other beta-lactam antibiotics, initial encounter
  • T36.1X5D Adverse effect of cephalosporins and other beta-lactam antibiotics, subsequent encounter
  • T36.1X5S Adverse effect of cephalosporins and other beta-lactam antibiotics, sequela
  • T36.1X6A Underdosing of cephalosporins and other beta-lactam antibiotics, initial encounter
  • T36.1X6D Underdosing of cephalosporins and other beta-lactam antibiotics, subsequent encounter
  • T36.1X6S Underdosing of cephalosporins and other beta-lactam antibiotics, sequela
  • T36.2X5A Adverse effect of chloramphenicol group, initial encounter
  • T36.2X5D Adverse effect of chloramphenicol group, subsequent encounter
  • T36.2X5S Adverse effect of chloramphenicol group, sequela
  • T36.2X6A Underdosing of chloramphenicol group, initial encounter
  • T36.2X6D Underdosing of chloramphenicol group, subsequent encounter
  • T36.2X6S Underdosing of chloramphenicol group, sequela
  • T36.3X5A Adverse effect of macrolides, initial encounter
  • T36.3X5D Adverse effect of macrolides, subsequent encounter
  • T36.3X5S Adverse effect of macrolides, sequela
  • T36.3X6A Underdosing of macrolides, initial encounter
  • T36.3X6D Underdosing of macrolides, subsequent encounter
  • T36.3X6S Underdosing of macrolides, sequela
  • T36.4X5A Adverse effect of tetracyclines, initial encounter
  • T36.4X5D Adverse effect of tetracyclines, subsequent encounter
  • T36.4X5S Adverse effect of tetracyclines, sequela
  • T36.4X6A Underdosing of tetracyclines, initial encounter
  • T36.4X6D Underdosing of tetracyclines, subsequent encounter
  • T36.4X6S Underdosing of tetracyclines, sequela
  • T36.5X5A Adverse effect of aminoglycosides, initial encounter
  • T36.5X5D Adverse effect of aminoglycosides, subsequent encounter
  • T36.5X5S Adverse effect of aminoglycosides, sequela
  • T36.5X6A Underdosing of aminoglycosides, initial encounter
  • T36.5X6D Underdosing of aminoglycosides, subsequent encounter
  • T36.5X6S Underdosing of aminoglycosides, sequela
  • T36.6X5A Adverse effect of rifampicins, initial encounter
  • T36.6X5D Adverse effect of rifampicins, subsequent encounter
  • T36.6X5S Adverse effect of rifampicins, sequela
  • T36.6X6A Underdosing of rifampicins, initial encounter
  • T36.6X6D Underdosing of rifampicins, subsequent encounter
  • T36.6X6S Underdosing of rifampicins, sequela
  • T36.7X5A Adverse effect of antifungal antibiotics, systemically used, initial encounter
  • T36.7X5D Adverse effect of antifungal antibiotics, systemically used, subsequent encounter
  • T36.7X5S Adverse effect of antifungal antibiotics, systemically used, sequela
  • T36.7X6A Underdosing of antifungal antibiotics, systemically used, initial encounter
  • T36.7X6D Underdosing of antifungal antibiotics, systemically used, subsequent encounter
  • T36.7X6S Underdosing of antifungal antibiotics, systemically used, sequela
  • T36.8X5A Adverse effect of other systemic antibiotics, initial encounter
  • T36.8X5D Adverse effect of other systemic antibiotics, subsequent encounter
  • T36.8X5S Adverse effect of other systemic antibiotics, sequela
  • T36.8X6A Underdosing of other systemic antibiotics, initial encounter
  • T36.8X6D Underdosing of other systemic antibiotics, subsequent encounter
  • T36.8X6S Underdosing of other systemic antibiotics, sequela
  • T36.95XA Adverse effect of unspecified systemic antibiotic, initial encounter
  • T36.95XD Adverse effect of unspecified systemic antibiotic, subsequent encounter
  • T36.95XS Adverse effect of unspecified systemic antibiotic, sequela
  • T36.96XA Underdosing of unspecified systemic antibiotic, initial encounter
  • T36.96XD Underdosing of unspecified systemic antibiotic, subsequent encounter
  • T36.96XS Underdosing of unspecified systemic antibiotic, sequela
  • T37.0X5A Adverse effect of sulfonamides, initial encounter
  • T37.0X5D Adverse effect of sulfonamides, subsequent encounter
  • T37.0X5S Adverse effect of sulfonamides, sequela
  • T37.0X6A Underdosing of sulfonamides, initial encounter
  • T37.0X6D Underdosing of sulfonamides, subsequent encounter
  • T37.0X6S Underdosing of sulfonamides, sequela
  • T37.1X5A Adverse effect of antimycobacterial drugs, initial encounter
  • T37.1X5D Adverse effect of antimycobacterial drugs, subsequent encounter
  • T37.1X5S Adverse effect of antimycobacterial drugs, sequela
  • T37.1X6A Underdosing of antimycobacterial drugs, initial encounter
  • T37.1X6D Underdosing of antimycobacterial drugs, subsequent encounter
  • T37.1X6S Underdosing of antimycobacterial drugs, sequela
  • T37.2X5A Adverse effect of antimalarials and drugs acting on other blood protozoa, initial encounter
  • T37.2X5D Adverse effect of antimalarials and drugs acting on other blood protozoa, subsequent encounter
  • T37.2X5S Adverse effect of antimalarials and drugs acting on other blood protozoa, sequela
  • T37.2X6A Underdosing of antimalarials and drugs acting on other blood protozoa, initial encounter
  • T37.2X6D Underdosing of antimalarials and drugs acting on other blood protozoa, subsequent encounter
  • T37.2X6S Underdosing of antimalarials and drugs acting on other blood protozoa, sequela
  • T37.3X5A Adverse effect of other antiprotozoal drugs, initial encounter
  • T37.3X5D Adverse effect of other antiprotozoal drugs, subsequent encounter
  • T37.3X5S Adverse effect of other antiprotozoal drugs, sequela
  • T37.3X6A Underdosing of other antiprotozoal drugs, initial encounter
  • T37.3X6D Underdosing of other antiprotozoal drugs, subsequent encounter
  • T37.3X6S Underdosing of other antiprotozoal drugs, sequela
  • T37.4X5A Adverse effect of anthelminthics, initial encounter
  • T37.4X5D Adverse effect of anthelminthics, subsequent encounter
  • T37.4X5S Adverse effect of anthelminthics, sequela
  • T37.4X6A Underdosing of anthelminthics, initial encounter
  • T37.4X6D Underdosing of anthelminthics, subsequent encounter
  • T37.4X6S Underdosing of anthelminthics, sequela
  • T37.5X5A Adverse effect of antiviral drugs, initial encounter
  • T37.5X5D Adverse effect of antiviral drugs, subsequent encounter
  • T37.5X5S Adverse effect of antiviral drugs, sequela
  • T37.5X6A Underdosing of antiviral drugs, initial encounter
  • T37.5X6D Underdosing of antiviral drugs, subsequent encounter
  • T37.5X6S Underdosing of antiviral drugs, sequela
  • T37.8X5A Adverse effect of other specified systemic anti-infectives and antiparasitics, initial encounter
  • T37.8X5D Adverse effect of other specified systemic anti-infectives and antiparasitics, subsequent encounter
  • T37.8X5S Adverse effect of other specified systemic anti-infectives and antiparasitics, sequela
  • T37.8X6A Underdosing of other specified systemic anti-infectives and antiparasitics, initial encounter
  • T37.8X6D Underdosing of other specified systemic anti-infectives and antiparasitics, subsequent encounter
  • T37.8X6S Underdosing of other specified systemic anti-infectives and antiparasitics, sequela
  • T37.95XA Adverse effect of unspecified systemic anti-infective and antiparasitic, initial encounter