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N48.9 ICD-10-CM Code: Disorder of penis, unspecified

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

Potential MS-DRG participation — not a DRG assignment.

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43, Appendix B.

  • MS-DRG 729 — OTHER MALE REPRODUCTIVE SYSTEM DIAGNOSES WITH CC/MCC (MDC 12)
  • MS-DRG 730 — OTHER MALE REPRODUCTIVE SYSTEM DIAGNOSES WITHOUT CC/MCC (MDC 12)

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.

Coder workflow for N48.9

MedCoder structured workflow — derived from this code’s own official record

Before you code N48.9

  1. Unspecified does not mean incorrect. When the record gives no greater specificity, N48.9 may be the appropriate code. Check the record for detail that supports a more specific sibling. An unspecified code is for records that do not provide the detail a more specific code needs; a query, not an assumption, is the route to specificity (Guidelines I.A.9.b, I.B.18).

    ReviewN48.0, N48.1, N48.2, N48.3, N48.5, N48.6, N48.8

    See the relationships section · Guide: Other vs unspecified (NEC vs NOS) →

Choose the right path

  1. Does the record document the detail a more specific sibling code needs?
    Yes → Review the specific siblings in this subcategory.
    No → Continue — N48.9 is appropriate when the documentation goes no further.

    ReviewN48.0, N48.1, N48.2, N48.3, N48.5, N48.6, N48.8

Consider N48.9. Then confirm the code is valid for the date of service in the Verify section.

Documentation check

The provider’s diagnostic statement
Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
Any detail beyond this code’s title
What the record states that a more specific sibling code would capture — or its absence, which itself supports the unspecified code.

Coding decision scenarios

Pattern scenarios for this code’s structure — decision rules, not clinical cases

Documentation: The provider documents the condition in the terms of this code’s title and records no further detail.

Coding question: Is a more specific sibling code supportable?

Path: Review the specific siblings in this subcategory and what each requires the record to state.

Reason: A more specific code needs documentation of the distinguishing element; without it the unspecified code is appropriate, and a provider query is the route to specificity (Guidelines I.A.9.b, I.B.18).

ReviewN48.0, N48.1, N48.2, N48.3, N48.5, N48.6, N48.8

Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.

Code Overview

Disorder of penis, unspecified is a billable ICD-10-CM diagnosis code (N48.9).

MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.

Indexed Clinical Terms (4)

Official source data — entries quoted as published, in the Index’s own lookup phrasing

Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code. These are alphabetic-index entries shown as the Index writes them — lookup phrasing, not necessarily the wording of a final diagnosis.

Verify Before Coding

  • No Medicare Code Editor or MS-DRG Definitions Manual restrictions apply to this code.

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.

Relationships & Classification

MedCoder structured relationships — computed from published CMS and AHRQ datasets

Other codes that name N48.9 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.

Referenced by 11 Excludes2 notes: R10 — Abdominal and pelvic pain (via N48.-), R10-R19 — Symptoms and signs involving the digestive system and abdomen (R10-R19) (via N48.-), R11 — Nausea and vomiting (via N48.-), R12 — Heartburn (via N48.-), R13 — Aphagia and dysphagia (via N48.-), R14 — Flatulence and related conditions (via N48.-), R15 — Fecal incontinence (via N48.-), R16 — Hepatomegaly and splenomegaly, not elsewhere classified (via N48.-), R17 — Unspecified jaundice (via N48.-), R18 — Ascites (via N48.-), R19 — Other symptoms and signs involving the digestive system and abdomen (via N48.-).

These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

FY2026 MS-DRG: not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity for that release.

Named in the grouper logic of 2 MS-DRGs: DRG 729 (MDC 12), DRG 730 (MDC 12).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Clinical classification (AHRQ CCSR):GEN016 — Other specified male genital disorders (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Related Codes

Same clinical category (CCSR)

AHRQ's Clinical Classifications Software groups these diagnoses under the same clinical category (Other specified male genital disorders).

N48.31 — Priapism due to trauma, N48.32 — Priapism due to disease classified elsewhere, N48.33 — Priapism, drug-induced, N48.39 — Other priapism, N48.5 — Ulcer of penis, N48.6 — Induration penis plastica, N48.81 — Thrombosis of superficial vein of penis, N48.82 — Acquired torsion of penis, N48.83 — Acquired buried penis, N48.89 — Other specified disorders of penis, N50.0 — Atrophy of testis, N50.1 — Vascular disorders of male genital organs, N50.3 — Cyst of epididymis, N50.8 — Other specified disorders of male genital organs, N50.811 — Right testicular pain, N50.812 — Left testicular pain, N50.819 — Testicular pain, unspecified, N50.82 — Scrotal pain, N50.89 — Other specified disorders of the male genital organs, N50.9 — Disorder of male genital organs, unspecified, +45 more

Same Index main term, other category

The ICD-10-CM Index to Diseases and Injuries files this code under the main term “Neuralgia, neuralgic”; these codes share that main term but sit in a different category of the Tabular List.

G44.009 — Cluster headache syndrome, unspecified, not intractable (ciliary), G44.091 — Other trigeminal autonomic cephalgias (TAC), intractable (Horton's, intractable), G44.099 — Other trigeminal autonomic cephalgias (TAC), not intractable (Horton's), G44.89 — Other headache syndrome (Sluder's), G50.0 — Trigeminal neuralgia (trigeminal), G51.1 — Geniculate ganglionitis (facialis vera), G52.0 — Disorders of olfactory nerve (nose), G52.1 — Disorders of glossopharyngeal nerve (glossopharyngeal), G52.2 — Disorders of vagus nerve (vagus), G52.3 — Disorders of hypoglossal nerve (hypoglossal), G52.8 — Disorders of other specified cranial nerves (accessory), G57.6 — Lesion of plantar nerve (Morton's), G58.8 — Other specified mononeuropathies (specified nerve NEC), G90.09 — Other idiopathic peripheral autonomic neuropathy (sphenopalatine), M54.81 — Occipital neuralgia (occipital), M79.2 — Neuralgia and neuritis, unspecified, R10.20 — Pelvic and perineal pain unspecified side (scrotum), R10.21 — Pelvic and perineal pain right side (perineum, right), R10.22 — Pelvic and perineal pain left side (perineum, left), R10.23 — Pelvic and perineal pain bilateral (perineum, bilateral), +6 more

Contextual Map

Every relationship of N48.9 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Run N48.9 with these 8 related codes in Claim Check

Hierarchy

Referenced by Excludes2 notes (11)

Clinical classification (CCSR)

MS-DRG Grouper

MDC crossing

  • MDC 12 — Diseases and Disorders of the Male Reproductive System[MDC crossing]: “Diseases and Disorders of the Male Reproductive System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs. 1,964 same-MDC procedures group here; browse them on the MDC page.”— CMS MS-DRG Definitions Manual · FY2026

Index entries

  • Disease, diseased, corpus cavernosum[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
  • Disease, diseased, penis[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
  • Disorder (of), corpus cavernosum[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026
  • Neuralgia, neuralgic (acute), penis[Index term]— CMS ICD-10-CM Index to Diseases and Injuries · icd10cm-fy2026

Nearest codes (20)

Change history

  • FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, title, tabular notes and index terms Official source data
CMS/CDC ICD-10-CM FY2026 tabular list, index and tables, effective October 1, 2025 Release, file and checksum · Publisher’s page
Claim edits Official source data
CMS Definitions of Medicare Code Edits — v43.1 (April 2026) Release, file and checksum · Publisher’s page
Inpatient payment groups Official source data
CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43 Release, file and checksum · Publisher’s page
Change history and date-of-service validity Official source data
CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
Comparisons, relationships and the contextual map MedCoder structured relationship
Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
Summary and FAQ answers MedCoder explanation
Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Cite this page

Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.

MedCoder.ai. "N48.9 — Disorder of penis, unspecified." ICD-10-CM FY2026. https://medcoder.ai/icd10/code/n48.9-disorder-of-penis-unspecified

Change history

  • FY2016 — October 1, 2015
    In the code set at ICD-10-CM adoption
    Disorder of penis, unspecified

No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027 (effective October 1, 2026), and none are recorded for this code. Note changes are tracked from FY2027 only.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to N48.9 in its code family, with their registry titles.

View all codes in the N48 family