T67.8XXD ICD-10-CM Code: Other effects of heat and light, subsequent encounter
T67.8XXD is the authoritative medical code for Other effects of heat and light, subsequent encounter. This classification is used in medical billing and clinical recording to specify the clinical criteria for other effects of heat and light, subsequent encounter (ICD-10-CM T67.8XXD), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Inpatient Payment Groups (MS-DRG)
MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0 (FY2026), Appendix B.
- MS-DRG 949 — AFTERCARE WITH CC/MCC (MDC 23)
- MS-DRG 950 — AFTERCARE WITHOUT CC/MCC (MDC 23)
A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for T67.8XXD in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- erythema [dermatitis] ab igne (L59.0)
- malignant hyperpyrexia due to anesthesia (T88.3)
- radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- burns (T20-T31)
- sunburn (L55.-)
- sweat disorder due to heat (L74-L75)
Code Also
Additional codes that may be required to fully describe the encounter.
- Code also, if applicable, place of occurrence, such as:
- highway rest stop (Y92.523)
- school (private) (public) (state) as the place of occurrence of the external cause (Y92.21-)
- service areas as the place of occurrence of the external cause (Y92.52-)
- single-family non-institutional (private) house as the place of occurrence of the external cause (Y92.01-)
- transport vehicle as the place of occurrence of the external cause (Y92.81-)
Frequently Asked Questions (FAQ) & Clinical Guidance
Does T67.8XXD require a 7th character?
Yes. The appropriate 7th character is to be added to each code from category T67.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to T67.8XXD in its code family, with their registry titles.
- T67.7 — Heat edema
- T67.7XXA — Heat edema, initial encounter
- T67.7XXD — Heat edema, subsequent encounter
- T67.7XXS — Heat edema, sequela
- T67.8 — Other effects of heat and light
- T67.8XXA — Other effects of heat and light, initial encounter
- T67.8XXS — Other effects of heat and light, sequela
- T67.9 — Effect of heat and light, unspecified
- T67.9XXA — Effect of heat and light, unspecified, initial encounter
- T67.9XXD — Effect of heat and light, unspecified, subsequent encounter