Category · FY2027
T49 Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
- Header · not billable
- Codes take a 7th character
T49 is not billable. The category heads 180 billable codes in FY2027, grouped under 10 subdivisions. Its codes take a 7th character, so none is complete with fewer than 7 characters.
Where it sits
- Chapter 19 Injury, poisoning and certain other consequences of external causes (S00-T88)
- T36-T50 Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- T49 Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs
- Billable codes
- 180
- Subdivisions
- 10
- CC / MCC codes
- 0 / 0
- HCC V28 codes
- 10
- New FY2027
- 0
- Index entries
- 0
Codes in T49
- T49.0Poisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugsHeader
- T49.0XPoisoning by, adverse effect of and underdosing of local antifungal, anti-infective and anti-inflammatory drugsHeader
- T49.0X1Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by local antifungal, anti-infective and anti-inflammatory drugs NOS
- T49.0X2Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.0X3Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.0X4Poisoning by local antifungal, anti-infective and anti-inflammatory drugs, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.0X5Adverse effect of local antifungal, anti-infective and anti-inflammatory drugs +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.0X6Underdosing of local antifungal, anti-infective and anti-inflammatory drugs +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.1Poisoning by, adverse effect of and underdosing of antipruriticsHeader
- T49.1XPoisoning by, adverse effect of and underdosing of antipruriticsHeader
- T49.1X1Poisoning by antipruritics, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by antipruritics NOS
- T49.1X2Poisoning by antipruritics, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.1X3Poisoning by antipruritics, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.1X4Poisoning by antipruritics, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.1X5Adverse effect of antipruritics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.1X6Underdosing of antipruritics +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.2Poisoning by, adverse effect of and underdosing of local astringents and local detergentsHeader
- T49.2XPoisoning by, adverse effect of and underdosing of local astringents and local detergentsHeader
- T49.2X1Poisoning by local astringents and local detergents, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by local astringents and local detergents NOS
- T49.2X2Poisoning by local astringents and local detergents, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.2X3Poisoning by local astringents and local detergents, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.2X4Poisoning by local astringents and local detergents, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.2X5Adverse effect of local astringents and local detergents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.2X6Underdosing of local astringents and local detergents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.3Poisoning by, adverse effect of and underdosing of emollients, demulcents and protectantsHeader
- T49.3XPoisoning by, adverse effect of and underdosing of emollients, demulcents and protectantsHeader
- T49.3X1Poisoning by emollients, demulcents and protectants, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by emollients, demulcents and protectants NOS
- T49.3X2Poisoning by emollients, demulcents and protectants, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.3X3Poisoning by emollients, demulcents and protectants, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.3X4Poisoning by emollients, demulcents and protectants, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.3X5Adverse effect of emollients, demulcents and protectants +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.3X6Underdosing of emollients, demulcents and protectants +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.4Poisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparationsHeader
- T49.4XPoisoning by, adverse effect of and underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparationsHeader
- T49.4X1Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations NOS
- T49.4X2Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.4X3Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.4X4Poisoning by keratolytics, keratoplastics, and other hair treatment drugs and preparations, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.4X5Adverse effect of keratolytics, keratoplastics, and other hair treatment drugs and preparations +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.4X6Underdosing of keratolytics, keratoplastics, and other hair treatment drugs and preparations +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.5Poisoning by, adverse effect of and underdosing of ophthalmological drugs and preparationsHeader
- T49.5XPoisoning by, adverse effect of and underdosing of ophthalmological drugs and preparationsHeader
- T49.5X1Poisoning by ophthalmological drugs and preparations, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by ophthalmological drugs and preparations NOS
- T49.5X2Poisoning by ophthalmological drugs and preparations, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.5X3Poisoning by ophthalmological drugs and preparations, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.5X4Poisoning by ophthalmological drugs and preparations, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.5X5Adverse effect of ophthalmological drugs and preparations +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.5X6Underdosing of ophthalmological drugs and preparations +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.6Poisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparationsHeader
- T49.6XPoisoning by, adverse effect of and underdosing of otorhinolaryngological drugs and preparationsHeader
- T49.6X1Poisoning by otorhinolaryngological drugs and preparations, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by otorhinolaryngological drugs and preparations NOS
- T49.6X2Poisoning by otorhinolaryngological drugs and preparations, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.6X3Poisoning by otorhinolaryngological drugs and preparations, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.6X4Poisoning by otorhinolaryngological drugs and preparations, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.6X5Adverse effect of otorhinolaryngological drugs and preparations +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.6X6Underdosing of otorhinolaryngological drugs and preparations +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.7Poisoning by, adverse effect of and underdosing of dental drugs, topically appliedHeader
- T49.7XPoisoning by, adverse effect of and underdosing of dental drugs, topically appliedHeader
- T49.7X1Poisoning by dental drugs, topically applied, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by dental drugs, topically applied NOS
- T49.7X2Poisoning by dental drugs, topically applied, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.7X3Poisoning by dental drugs, topically applied, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.7X4Poisoning by dental drugs, topically applied, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.7X5Adverse effect of dental drugs, topically applied +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.7X6Underdosing of dental drugs, topically applied +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.8Poisoning by, adverse effect of and underdosing of other topical agentsHeader
Inclusion terms 1
Inclusion terms
- Poisoning by, adverse effect of and underdosing of spermicides
- T49.8XPoisoning by, adverse effect of and underdosing of other topical agentsHeader
- T49.8X1Poisoning by other topical agents, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Inclusion terms 1
Inclusion terms
- Poisoning by other topical agents NOS
- T49.8X2Poisoning by other topical agents, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.8X3Poisoning by other topical agents, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.8X4Poisoning by other topical agents, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.8X5Adverse effect of other topical agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.8X6Underdosing of other topical agents +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.9Poisoning by, adverse effect of and underdosing of unspecified topical agentHeader
- T49.91Poisoning by unspecified topical agent, accidental (unintentional) +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.92Poisoning by unspecified topical agent, intentional self-harm +7th: A D SNeeds 7th character155 (some 7th characters)Exempt: 2 of 3 7th characters
- T49.93Poisoning by unspecified topical agent, assault +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.94Poisoning by unspecified topical agent, undetermined +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.95Adverse effect of unspecified topical agent +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
- T49.96Underdosing of unspecified topical agent +7th: A D SNeeds 7th characterExempt: 2 of 3 7th characters
Sources of each column. Rows marked +7th need a 7th character: pick one to build the full code; its code card has its own flags.
Instructions
At T49
Includes
- poisoning by, adverse effect of and underdosing of glucocorticoids, topically used
Notes that also apply
Block T36-T50 instructions (Notes 1, Includes 4, Excludes1 1, Excludes2 5, Code first 7, Use additional code 4): printed on the block page.
Chapter 19 instructions (Notes 2, Excludes2 2, Use additional code 1): printed on the chapter 19 page.
7th characters
7th characters for T49 defined here
The appropriate 7th character is to be added to each code from category T49
| 7th | Meaning (NCHS) |
|---|---|
| A | initial encounter |
| D | subsequent encounter |
| S | sequela |
A code that takes a 7th character is invalid without it; the placeholder X fills a code shorter than 6 characters (Official Guidelines I.A.5). How 7th characters work.