2027 ICD-10-CM Diagnosis Code N42.89Other specified disorders of prostate
ICD-10-CM Codes›N00–N99›N40-N53›N42
- Billable — Valid for Submission
- Not Chronic
N42.89 is a billable ICD-10-CM diagnosis code for other specified disorders of prostate. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 729 through 730. The code is restricted by the Medicare Code Editor to adult patients (age 15 through 124). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified male genital disorders.
Code Identity
Code Classification
Code EditsBilling
Medicare Code Editor checks that affect claim validity for N42.89.
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Asymmetry of prostate
- Atrophy of prostate
- Boggy prostate
- Calcification of prostate
- Escape of urine from prostate
- Extravasation of urine from prostate
- Fistula of prostate
- Hypoplasia of prostate
- Infarction of prostate
- Injury of prostate
- Loss of median groove of prostate
- Median bar of prostate
- Pelvic swelling
- Periprostatic adhesions
- Prostate consistency finding
- Prostate surface finding
- Prostatic fistula to colon
- Prostatic fistula to skin
- Prostatic fistula to small intestine
- Prostatorrhea
- Rectoprostatic fistula
- Squamous metaplasia of prostate gland
- Stricture of prostate
- Stricture of prostatic urethra
- Swelling of male genital structure
- Swollen prostate
- Tenderness of male genital structure
- Tenderness of prostate
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to N42.89: its own notes plus those printed at Chapter 14. A note printed at a category, block or chapter applies to every code under it.
Excludes2
Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Source: CMS ICD-10-CM Tabular List. How to read instructional notes.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
prostate N42.89
Cicatrix (adherent) (contracted) (painful) (vicious) See Also: Scar; L90.5
prostate N42.89
Corpora See Also: condition;
amylacea, prostate N42.89
prostate N42.89
Disease, diseased See Also: Syndrome;
specified NEC N42.89
Disorder (of) See Also: Disease;
specified NEC N42.89
prostate N42.89
prostate N42.89
Prostatorrhea N42.89
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Patient EducationClinical
Prostate Diseases
The prostate is a gland in the male reproductive system. It lies just below the bladder. It makes fluid that is part of semen.
The full article covers:
- What is the prostate?
- What are prostate diseases?
- Who is more likely to develop prostate diseases?
- What are the symptoms of prostate diseases?
- How are prostate diseases diagnosed?
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert N42.89 to ICD-9-CMHistory
Code HistoryHistory
Questions About N42.89Overview
What is the ICD-10 code for other specified disorders of prostate?
The ICD-10-CM code for other specified disorders of prostate is N42.89 (sometimes written as N4289). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is N42.89 (Other specified disorders of prostate) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report other specified disorders of prostate on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does N42.89 group to?
When other specified disorders of prostate is the principal diagnosis on an inpatient stay, it groups to MS-DRG 729, 730, with relative weights from 0.6595 to 1.0553 depending on complications. Higher weights mean higher Medicare reimbursement.
Who can N42.89 be reported for?
The Medicare Code Editor checks other specified disorders of prostate against patient demographics: this code is intended for adult patients (age 15 through 124). Claims outside these limits are flagged as inconsistent.
What is the ICD-9 equivalent of N42.89?
Under the General Equivalence Mappings, other specified disorders of prostate converts to ICD-9-CM 602.2 (atrophy of prostate) and 602.8 (prostatic disorders NEC). The mapping is approximate, so confirm the match fits the documentation.
