ICD-10-CM Codes
S00-T88 Injury, poisoning and certain other consequences of external causes
T51-T65 Toxic effects of substances chiefly nonmedicinal as to source
T65- Toxic effect of other and unspecified substances
2021 ICD-10-CM Diagnosis Code T65.94XA

2021 ICD-10-CM Diagnosis Code T65.94XA

Toxic effect of unspecified substance, undetermined, initial encounter

2016

2017

2018

2019

2020

2021

Billable/Specific Code

T65.94XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Short description: Toxic effect of unsp substance, undetermined, init encntr
The 2021 edition of ICD-10-CM T65.94XA became effective on October 1, 2020.
This is the American ICD-10-CM version of T65.94XA - other international versions of ICD-10 T65.94XA may differ.

The following code(s) above T65.94XA 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 T65.94XA:

S00-T88
2021 ICD-10-CM Range S00-T88
Injury, poisoning and certain other consequences of external causes
Note
- Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Type 1 Excludes
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Use Additional
- code to identify any retained foreign body, if applicable (Z18.-)
Injury, poisoning and certain other consequences of external causes
T51-T65
2021 ICD-10-CM Range T51-T65
Toxic effects of substances chiefly nonmedicinal as to source
Note
- When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.
Type 1 Excludes
- contact with and (suspected) exposure to toxic substances (Z77.-)
Use Additional
- code(s):
- for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
- personal history of foreign body fully removed (Z87.821)
- to identify any retained foreign body, if applicable (Z18.-)
Toxic effects of substances chiefly nonmedicinal as to source

Approximate Synonyms

Acute chemical conjunctivitis, both eyes
Bilateral acute chemical conjunctivitis
Bilateral toxic optic neuropathy
Bilateral toxic optic neuropathy (eye condition)
Cholinergic crisis
Drug-induced myasthenia
Left acute chemical conjunctivitis
Left toxic optic neuropathy
Left toxic optic neuropathy (eye condition)
Neuropathy (nerve damage), toxic, non facial
Polyneuropathy (multiple nerve disorder), toxic
Right acute chemical conjunctivitis
Right toxic optic neuropathy
Right toxic optic neuropathy (eye condition)
Toxic myasthenia, drug induced
Toxic nonfacial neuropathy
Toxic polyneuropathy

ICD-10-CM T65.94XA is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

917 Poisoning and toxic effects of drugs with mcc
918 Poisoning and toxic effects of drugs without mcc

Convert T65.94XA 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

ICD-10-CM Codes Adjacent To T65.94XA

T65.91XS …… sequela

T65.92 Toxic effect of unspecified substance, intentional self-harm

T65.92XA …… initial encounter

T65.92XD …… subsequent encounter

T65.92XS …… sequela

T65.93 Toxic effect of unspecified substance, assault

T65.93XA …… initial encounter

T65.93XD …… subsequent encounter

T65.93XS …… sequela

T65.94 Toxic effect of unspecified substance, undetermined

T65.94XA …… initial encounter

T65.94XD …… subsequent encounter

T65.94XS …… sequela

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

T67.01XA …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code T65.94XA

Toxic effect of unspecified substance, undetermined, initial encounter

Injury, poisoning and certain other consequences of external causes

Toxic effects of substances chiefly nonmedicinal as to source