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ICD-10-CM Codes
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S00-T88
Injury, poisoning and certain other consequences of external causes
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T66-T78
Other and unspecified effects of external causes
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T66-
Radiation sickness, unspecified
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2022 ICD-10-CM Diagnosis Code T66.XXXS
2022 ICD-10-CM Diagnosis Code T66.XXXS
Radiation sickness, unspecified, sequela
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code POA Exempt
- T66.XXXS is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2022 edition of ICD-10-CM T66.XXXS became effective on October 1, 2021.
- This is the American ICD-10-CM version of T66.XXXS - other international versions of ICD-10 T66.XXXS may differ.
The following code(s) above
T66.XXXS contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
T66.XXXS:
Approximate Synonyms
Present On AdmissionPOA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
- T66.XXXS is considered exempt from POA reporting.
ICD-10-CM T66.XXXS is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
- 922 Other injury, poisoning and toxic effect diagnoses with mcc
- 923 Other injury, poisoning and toxic effect diagnoses without mcc
Convert T66.XXXS to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
ICD-10-CM Codes Adjacent To T66.XXXS
T65.94 Toxic effect of unspecified substance, undetermined
T66 Radiation sickness, unspecified
T66.XXXA Radiation sickness, unspecified, initial encounter
T66.XXXD Radiation sickness, unspecified, subsequent encounter
T66.XXXS
Radiation sickness, unspecified, sequela
T67 Effects of heat and light
T67.0 Heatstroke and sunstroke
T67.01 Heatstroke and sunstroke
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.