T66-T78 ICD-10-CM Codes: Other and unspecified effects of external causes
Browse the official section hierarchy and 660 code records in Vero’s FY 2027 U.S. ICD-10-CM reference dataset.
About this section
T66-T78Other and unspecified effects of external causes
Chapter 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)
Categories in T66-T78
Open a category to browse its progressively more specific child codes. This hierarchy gives you access to all 660 records in the section.
T66Radiation sickness, unspecifiedT67Effects of heat and lightT68HypothermiaT69Other effects of reduced temperatureT70Effects of air pressure and water pressureT71AsphyxiationT73Effects of other deprivationT74Adult and child abuse, neglect and other maltreatment, confirmedT75Other and unspecified effects of other external causesT76Adult and child abuse, neglect and other maltreatment, suspectedT78Adverse effects, not elsewhere classifiedSource and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This section reference is generated from Vero’s repository-backed ICD-10-CM section, description, and hierarchy datasets. The visible range, record count, links, FAQs, and structured data share those sources.
Frequently asked questions
What does the ICD-10-CM range T66-T78 include?
T66-T78 is the FY 2027 U.S. ICD-10-CM section for “Other and unspecified effects of external causes.” This page lists 660 records from Vero’s repository-backed dataset.
Which ICD-10-CM chapter contains T66-T78?
T66-T78 is listed in Chapter 19, Injury, poisoning and certain other consequences of external causes (S00-T88).
How many ICD-10-CM records are listed in T66-T78?
Vero’s FY 2027 reference dataset contains 660 records in T66-T78. Use the individual code pages to review descriptions, hierarchy, and coding notes.
Is T66-T78 itself a billable ICD-10-CM code?
T66-T78 is a section range, not a billable diagnosis code. Select the most specific code supported by the documentation and confirm the active code set and payer requirements.