T38.9 — Poisoning by, adverse effect of and underdosing of other and unspecified hormone antagonists
Is T38.9 billable?
No — T38.9 is a non-billable header code. T38.9 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 36 billable codes beneath T38.9.
Billable codes under this header
- T38.901APoisoning by unspecified hormone antagonists, accidental (unintentional), initial encounter
- T38.901DPoisoning by unspecified hormone antagonists, accidental (unintentional), subsequent encounter
- T38.901SPoisoning by unspecified hormone antagonists, accidental (unintentional), sequela
- T38.902APoisoning by unspecified hormone antagonists, intentional self-harm, initial encounter
- T38.902DPoisoning by unspecified hormone antagonists, intentional self-harm, subsequent encounter
- T38.902SPoisoning by unspecified hormone antagonists, intentional self-harm, sequela
- T38.903APoisoning by unspecified hormone antagonists, assault, initial encounter
- T38.903DPoisoning by unspecified hormone antagonists, assault, subsequent encounter
- T38.903SPoisoning by unspecified hormone antagonists, assault, sequela
- T38.904APoisoning by unspecified hormone antagonists, undetermined, initial encounter
- T38.904DPoisoning by unspecified hormone antagonists, undetermined, subsequent encounter
- T38.904SPoisoning by unspecified hormone antagonists, undetermined, sequela
- T38.905AAdverse effect of unspecified hormone antagonists, initial encounter
- T38.905DAdverse effect of unspecified hormone antagonists, subsequent encounter
- T38.905SAdverse effect of unspecified hormone antagonists, sequela
- T38.906AUnderdosing of unspecified hormone antagonists, initial encounter
- T38.906DUnderdosing of unspecified hormone antagonists, subsequent encounter
- T38.906SUnderdosing of unspecified hormone antagonists, sequela
- T38.991APoisoning by other hormone antagonists, accidental (unintentional), initial encounter
- T38.991DPoisoning by other hormone antagonists, accidental (unintentional), subsequent encounter
- T38.991SPoisoning by other hormone antagonists, accidental (unintentional), sequela
- T38.992APoisoning by other hormone antagonists, intentional self-harm, initial encounter
- T38.992DPoisoning by other hormone antagonists, intentional self-harm, subsequent encounter
- T38.992SPoisoning by other hormone antagonists, intentional self-harm, sequela
- T38.993APoisoning by other hormone antagonists, assault, initial encounter
- T38.993DPoisoning by other hormone antagonists, assault, subsequent encounter
- T38.993SPoisoning by other hormone antagonists, assault, sequela
- T38.994APoisoning by other hormone antagonists, undetermined, initial encounter
- T38.994DPoisoning by other hormone antagonists, undetermined, subsequent encounter
- T38.994SPoisoning by other hormone antagonists, undetermined, sequela
- T38.995AAdverse effect of other hormone antagonists, initial encounter
- T38.995DAdverse effect of other hormone antagonists, subsequent encounter
- T38.995SAdverse effect of other hormone antagonists, sequela
- T38.996AUnderdosing of other hormone antagonists, initial encounter
- T38.996DUnderdosing of other hormone antagonists, subsequent encounter
- T38.996SUnderdosing of other hormone antagonists, sequela
T38.9 at a glance
| Code | T38.9 |
|---|---|
| Description | Poisoning by, adverse effect of and underdosing of other and unspecified hormone antagonists |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together — inherited from T36-T50
The conditions below can never be reported together with T38.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- toxic reaction to local anesthesia in pregnancy (O29.3-)
Excludes1 — never code together — inherited from T38
The conditions below can never be reported together with T38.9 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Code first — inherited from T36-T50
The underlying condition below must be sequenced before T38.9. T38.9 describes a manifestation and cannot be the principal or first-listed diagnosis.
Use additional code — inherited from Chapter 19
Report an additional code alongside T38.9 to fully describe the condition. T38.9 is sequenced first.
- code to identify any retained foreign body, if applicable (Z18.-)
Use additional code — inherited from T36-T50
Report an additional code alongside T38.9 to fully describe the condition. T38.9 is sequenced first.
Excludes2 — not included here — inherited from Chapter 19
The conditions below are not part of T38.9, but a patient may have both at the same time. When documentation supports it, T38.9 and the excluded code may both be reported.
Excludes2 — not included here — inherited from T36-T50
The conditions below are not part of T38.9, but a patient may have both at the same time. When documentation supports it, T38.9 and the excluded code may both be reported.
What codes fall under T38.9? (2)
How long has T38.9 existed?
T38.9 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
What other codes are in the T38 family? (9)
- T38.0Poisoning by, adverse effect of and underdosing of glucocorticoids and synthetic analoguesnot billable
- T38.1Poisoning by, adverse effect of and underdosing of thyroid hormones and substitutesnot billable
- T38.2Poisoning by, adverse effect of and underdosing of antithyroid drugsnot billable
- T38.3Poisoning by, adverse effect of and underdosing of insulin and oral hypoglycemic [antidiabetic] drugsnot billable
- T38.4Poisoning by, adverse effect of and underdosing of oral contraceptivesnot billable
- T38.5Poisoning by, adverse effect of and underdosing of other estrogens and progestogensnot billable
- T38.6Poisoning by, adverse effect of and underdosing of antigonadotrophins, antiestrogens, antiandrogens, not elsewhere classifiednot billable
- T38.7Poisoning by, adverse effect of and underdosing of androgens and anabolic congenersnot billable
- T38.8Poisoning by, adverse effect of and underdosing of other and unspecified hormones and synthetic substitutesnot billable