ICD-10-CM › C00-D49 › C00-C14 › C13 Malignant neoplasm of hypopharynx › C13.2
Malignant neoplasm of posterior wall of hypopharynx
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Malignant neoplasm of posterior wall of hypopharynx
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from C13 Malignant neoplasm of hypopharynx
Excludes2 - not included here
- malignant neoplasm of pyriform sinus (C12)
Use additional code
- code to identify:
- exposure to environmental tobacco smoke (Z77.22)
- exposure to tobacco smoke in the perinatal period (P96.81)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Neoplasm, neoplastic > hypopharynx, hypopharyngeal NEC > posterior wall
Codes in the same group
| Code | Description | Status |
|---|---|---|
| C13.0 | Malignant neoplasm of postcricoid region | Valid |
| C13.1 | Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect | Valid |
| C13.8 | Malignant neoplasm of overlapping sites of hypopharynx | Valid |
| C13.9 | Malignant neoplasm of hypopharynx, unspecified | Valid |