🧬 CPT Code 54161: Circumcision, surgical excision other than clamp, device, or dorsal slit; older than 28 days of age

📋 Code Overview

CPT 54161 is a surgical code from the American Medical Association’s Current Procedural Terminology (CPT) set. This code describes a circumcision performed via surgical excision (using a scalpel or scissors) on a patient who is older than 28 days. The key differentiator for this code is the method (excision, not a clamp/device) and the patient’s age. ^[2]

🔍 Code Description

Official Descriptor: Circumcision, surgical excision other than clamp, device, or dorsal slit; older than 28 days of age. ^[8]
Procedure Explained: The surgeon removes the foreskin (prepuce) from the penis using a direct surgical incision and excision technique. This differs from a clamp circumcision (like a Gomco or Plastibell device). The procedure includes the lysis of any adhesions between the foreskin and the glans, as well as the takedown of the frenulum. Hemostasis is achieved, and the skin edges are typically approximated with absorbable sutures. ^[2][9]
Age Range: This code is specifically for patients older than 28 days (neonatal period). This includes infants beyond the newborn stage, children, adolescents, and adults. ^[2][8]

📊 Clinical and Reimbursement Data

📈 Relative Value Units (RVUs)

Relative Value Units (RVU) measure the resources required to provide a service. The values below are national averages and are subject to geographic adjustment. ^[5]

Work RVU (wRVU): 6.20 ^[5]
Facility PE RVU: (Data Unavailable)
Non-Facility PE RVU: (Data Unavailable)
Total RVU (Non-Facility): 6.20 ^[5]

The MS-DRG assignment for inpatient admissions depends entirely on the principal diagnosis (reason for the procedure). If a circumcision is performed on an inpatient, it is typically for a significant medical condition. Potential MS-DRGs might include:

DRG 763: Penis Procedures with CC/MCC (Complication or Comorbidity/Major Complication or Comorbidity)
DRG 764: Penis Procedures without CC/MCC
DRG 770: Major Male Pelvic Procedures with CC/MCC (if performed in conjunction with another major procedure)
DRG 771: Major Male Pelvic Procedures without CC/MCC

🤝 Assistant at Surgery

Assistant Payable: Generally Yes, but subject to payer medical necessity and documentation. For complex adult circumcisions or those performed in the context of other major surgeries, an assistant may be required. For a routine, uncomplicated circumcision on an infant or child, it is typically not payable.

🌳 Code Tree

Surgery (10000-69990)
└── Surgical Procedures on the Male Genital System (54000-55899)
    └── Excision Procedures on the Penis (54110-54164)
        ├── CPT 54160: Circumcision, surgical excision...; neonate (28 days of age or less)
        ├── **CPT 54161: Circumcision, surgical excision...; older than 28 days of age**
        ├── CPT 54162: Lysis or excision of penile post-circumcision adhesions
        └── CPT 54163: Repair of incomplete circumcision

➕ Includes and ➖ Exclusions

Includes

Surgical excision of the foreskin using a scalpel or scissors. ^[2]
Lysis of adhesions between the glans penis and the foreskin. ^[2]
Takedown or excision of the frenulum. ^[2]
Local infiltration or topical anesthesia administered by the surgeon. ^[4]
Immediate postoperative care (part of the global surgical package). ^[4]
Typical, uncomplicated follow-up care within the global period (0 or 90-day depending on payer). ^[4]

Exclusions

Circumcision using a clamp or device (e.g., Gomco, Plastibell): Use 54150 (Circumcision, using clamp or other device with regional dorsal penile or ring block). ^[2][9]
Circumcision on a neonate (28 days of age or less): Use 54160. ^[2]
Revision of circumcision (for complications or incomplete circumcision): Use 54163 (Repair of incomplete circumcision) or 54162 (Lysis or excision of penile post-circumcision adhesions). ^[5][10]
Frenulotomy alone (removal of frenulum without full circumcision): Use 54164 (Frenulotomy of penis). ^[5]
Separate billing for nerve block (e.g., 64450): This is bundled into the global surgical package when performed by the surgeon. ^[4]
Treatment of complications in the operating room during the postoperative period: This may be separately billable with modifier Modifier -78 (Return to the operating room for a related procedure). ^[4]

📝 Coding Examples

Example 1: Adult Circumcision for Phimosis

Clinical Scenario: A 35-year-old male presents with phimosis (inability to retract the foreskin) causing pain and discomfort during erections. After a failed trial of conservative treatment, the decision is made for a circumcision. The urologist performs a surgical excision of the foreskin using a scalpel and sutures the skin edges.
Code(s) Used: 54161
Diagnosis(es): N47.1 (Phimosis)
Analysis: The patient is older than 28 days, and the method is surgical excision. The diagnosis establishes medical necessity. ^[2][8]

Example 2: Infant Circumcision for Cultural Reasons

Clinical Scenario: The parents of a healthy 4-month-old male request a circumcision for cultural/religious reasons. The pediatric surgeon performs a surgical excision of the foreskin.
Code(s) Used: 54161
Diagnosis(es): Z41.2 (Encounter for routine and ritual male circumcision)
Analysis: The patient is >28 days old, and the procedure is an excision. Z41.2 is the appropriate diagnosis for a circumcision performed for non-medical reasons. ^[2]

Example 3: Circumcision During Another Procedure

Clinical Scenario: A 10-year-old male is undergoing a hypospadias repair. To utilize the foreskin for the repair, a circumcision is not performed. However, if a separate circumcision were performed during a different procedure (e.g., an orchiopexy), it could be billed separately with a modifier like Modifier -59 (Distinct Procedural Service), provided the documentation supports it as a distinct, separate procedure.
Code(s) Used: 54161 -59, 54640 (for orchiopexy)
Diagnosis(es): Q53.9 (Undescended testicle, unspecified)
Analysis: This highlights the importance of modifiers when multiple procedures are performed during the same operative session.

🩺 ICD-10 Diagnosis Coding

The ICD-10-CM code(s) must support the medical necessity for the procedure.

Common ICD-10-CM Codes for CPT 54161

Z41.2 : Encounter for routine and ritual male circumcision (for non-medical, elective procedures). ^[2]
N47.1 : Phimosis (tight foreskin that cannot be retracted). ^[2]
N47.2 : Paraphimosis (retracted foreskin that cannot be returned to original position). ^[2]
N47.5 : Adhesions of prepuce and glans penis. ^[2]
N47.6 : Balanoposthitis (inflammation of the glans and foreskin). ^[2]
N48.1 : Balanitis (inflammation of the glans). ^[2]
C60.0 : Malignant neoplasm of prepuce (penile cancer). ^[2]
A63.0 : Anogenital (venereal) warts. ^[2]
N13.8 : Other obstructive and reflux uropathy (when circumcision is deemed necessary to prevent UTIs in the context of urinary tract abnormalities).

HCC Association

HCC (Hierarchical Condition Categories) are risk-adjustment models that use ICD-10-CM diagnoses. CPT codes themselves do not have an HCC value. The HCC is derived from the associated diagnosis.

Potentially HCC-relevant diagnoses: C60.0 (Malignant neoplasm of prepuce) would map to an HCC category for cancer.
Non-HCC diagnoses: Z41.2 (routine circumcision) and most of the N47 series (phimosis, etc.) are not typically used for HCC risk adjustment.

⚖️ Modifier Usage

The following modifiers are commonly used or considered with CPT 54161:

Modifier -47 (Anesthesia by Surgeon): Used if the surgeon administers regional or general anesthesia (not just local infiltration). This is distinct from billing for an anesthesiologist’s services. ^[4][5]
Modifier -51]] (Multiple Procedures): Used when 54161 is performed during the same operative session as another distinct procedure (e.g., cystoscopy). ^[5]
Modifier -52 (Reduced Services): Rare for this code, but could be used if the full, standard circumcision was not completed due to unforeseen circumstances. ^[5]
Modifier -58 (Staged or Related Procedure): Used if a circumcision is planned as part of a staged procedure (e.g., for hypospadias repair where the foreskin is initially preserved and later addressed).
Modifier -59 (Distinct Procedural Service): Used to indicate that 54161 was a separate and distinct procedure from another service performed on the same day. ^[5]
Modifier -63 (Procedure Performed on Infants less than 4 kg): Never append modifier 63 to 54161. This modifier is prohibited for this code and 54160 as the procedure is inherent to the anatomy of infants. ^[2]
Modifier -78 (Return to the OR for a Related Procedure): Used if the patient requires a return to the operating room during the postoperative period to treat a complication (e.g., bleeding, infection) from the initial circumcision. ^[4]
Modifier -79 (Unrelated Procedure): Used if an unrelated procedure is performed during the postoperative period of the circumcision.
Modifier -LT/-RT (Left/Right side): Not typically applicable as the penis is a midline organ.

54150 : Circumcision, using clamp or other device with regional dorsal penile or ring block.
54160 : Circumcision, surgical excision other than clamp, device, or dorsal slit; neonate (28 days of age or less).
54162 : Lysis or excision of penile post-circumcision adhesions.
54163 : Repair of incomplete circumcision.
54164 : Frenulotomy of penis.

📝 Important Notes

Global Period: CPT 54161 has a 0-day or 90-day global period depending on the payer (often 0-day for a minor procedure, but Medicare may assign a 90-day global for surgical packages). Always verify with your specific payer contract. ^[4]
Medical Necessity: For patients beyond infancy, private payers almost always require a diagnosis of medical necessity (e.g., phimosis) to cover the procedure, whereas public plans may have unrestricted coverage. Reimbursement rates vary significantly between payers. ^[6]

📚 Sources

^{[1] American Medical Association, CPT 2026 Professional Edition} ^{[2] AAPC, Urology Coding Alert: Navigate Circumcision Reporting With 3 Handy Tips (July 2022)} ^{[4] AAPC, CPT 2002 Issues New Surgical Package Guidelines (May 2002)} ^{[5] CodingAhead, Circumcision CPT Codes (2023)} ^{[6] PubMed, Differential Insurance Plan Coverage and Surgeon Reimbursement of Pediatric Circumcision (Urology, Sept 2023)} ^{[8] CodingAhead, How To Use CPT Code 54161 (Jan 2025)} ^{[9] American Medical Coding, Circumcision CPT Code Coding Guide (Sept 2024)} ^{[10] Filo, A 16-day-old male baby… (Example distinguishing revision codes)}

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