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.
Official classification
About this section
T66-T78Other and unspecified effects of external causes
Chapter 19 · Injury, poisoning and certain other consequences of external causes (S00-T88)
Category index
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, unspecified
T67Effects of heat and light
T68Hypothermia
T69Other effects of reduced temperature
T70Effects of air pressure and water pressure
T71Asphyxiation
T73Effects of other deprivation
T74Adult and child abuse, neglect and other maltreatment, confirmed
T75Other and unspecified effects of other external causes
T76Adult and child abuse, neglect and other maltreatment, suspected
T78Adverse effects, not elsewhere classified
Transparency
Source and release
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.
Review the CDC/NCHS ICD-10-CM sourceSection guidance
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.
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