Urgent Care ICD-10 Codes & CPT Codes

Urgent care centers bill a high volume of acute, episodic visits across all patient demographics. Speed and accuracy in coding are critical to profitability. This page covers the top ICD-10-CM and CPT codes used in urgent care settings, including common acute illnesses, injuries, and procedures.

FY 2026 ICD-10-CM (CMS) · CPT codes updated annually · All codes verified billable · Last verified: June 2026

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Top ICD-10 Codes for Urgent Care

ICD-10 Code Description Billable
J06.9 Acute upper respiratory infection, unspecified
J00 Acute nasopharyngitis (common cold)
N39.0 Urinary tract infection, site not specified
J02.9 Acute pharyngitis, unspecified
R51 Headache
R10.9 Unspecified abdominal pain
J20.9 Acute bronchitis, unspecified
H66.90 Otitis media, unspecified, unspecified ear
M54.5 Low back pain
J45.20 Mild intermittent asthma, uncomplicated
R07.9 Chest pain, unspecified
Z23 Encounter for immunization
K29.70 Gastritis, unspecified, without bleeding
S09.90XA Unspecified injury of head, initial encounter
T14.90 Injury, unspecified, initial encounter
R05.1 Acute cough
J03.90 Acute tonsillitis, unspecified
J01.90 Acute sinusitis, unspecified
J11.1 Influenza with other respiratory manifestations
J18.9 Pneumonia, unspecified organism
R53.83 Other fatigue
R09.02 Hypoxemia
K59.00 Constipation, unspecified
K52.9 Noninfective gastroenteritis and colitis, unspecified
L03.90 Cellulitis, unspecified
S61.001A Unspecified open wound of right thumb, initial encounter
S51.801A Unspecified open wound of right forearm, initial encounter
R11.0 Nausea
R11.10 Vomiting, unspecified
R11.2 Nausea with vomiting, unspecified
J34.89 Other specified disorders of nose and nasal sinuses
H10.33 Acute conjunctivitis, bilateral
N30.00 Acute cystitis without hematuria
R06.00 Dyspnea, unspecified
M54.50 Low back pain, unspecified
S60.811A Abrasion of right thumb, initial encounter
R73.09 Other abnormal glucose
R50.9 Fever, unspecified
B34.9 Viral infection, unspecified
Z11.59 Encounter for screening for other viral diseases
J22 Unspecified acute lower respiratory infection
R05.9 Cough, unspecified
R68.89 Other specified general symptoms and signs
K21.0 Gastro-esophageal reflux disease with esophagitis
S80.01XA Contusion of right knee, initial encounter
R55 Syncope and collapse
T78.40XA Allergy, unspecified, initial encounter
L50.0 Allergic urticaria
J32.9 Chronic sinusitis, unspecified
H60.339 Swimmer’s ear, unspecified ear
R60.0 Localized edema
M25.511 Pain in right shoulder
M25.561 Pain in right knee
L30.9 Dermatitis, unspecified
B08.1 Molluscum contagiosum
R10.11 Right upper quadrant pain
N10 Acute pyelonephritis
J44.1 COPD with acute exacerbation
S93.401A Sprain of right ankle ligament, initial encounter
G43.909 Migraine, unspecified, not intractable
Z87.891 Personal history of other specified conditions
M79.621 Pain in right upper arm
S40.011A Contusion of right shoulder, initial encounter
R21 Rash and other nonspecific skin eruption
J98.09 Other diseases of bronchus, not elsewhere classified

Source: CMS ICD-10-CM Official Code Set FY 2026

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Common CPT Codes for Urgent Care Billing

CPT Code Description Medicare Rate* Common Modifiers
99202 New patient office visit, straightforward complexity ~$57 -25, -57
99203 New patient office visit, low complexity ~$109 -25, -57
99204 New patient office visit, moderate complexity ~$166 -25, -57
99205 New patient office visit, high complexity ~$219 -25, -57
99211 Office visit, established patient, minimal (nurse visit) ~$24 -25
99212 Office visit, established patient, straightforward complexity ~$56 -25, -57
99213 Office visit, established patient, low complexity ~$94 -25, -57
99214 Office visit, established patient, moderate complexity ~$136 -25, -57
99215 Office visit, established patient, high complexity ~$181 -25, -57
99281 Emergency department visit, self-limited or minor N/A (facility) -25
99282 Emergency department visit, low complexity N/A (facility) -25
99283 Emergency department visit, moderate severity N/A (facility) -25
99284 Emergency department visit, moderately high severity N/A (facility) -25
99285 Emergency department visit, high severity N/A (facility) -25
12001 Simple repair of superficial wounds, 2.5 cm or less ~$119 -59
87880 Streptococcal Group A antigen detection, direct observation ~$18 -QW
94760 Noninvasive ear or pulse oximetry, oxygen saturation ~$16 -59
97010 Application of hot or cold packs ~$12 -59, -GP

*Approximate 2025 CMS national non-facility rate. Rates vary by geography, setting, and payer contract. Refer to the CMS Physician Fee Schedule for official rates.

Top Denial Reasons for Urgent Care Claims

Missing or Insufficient Medical Necessity Documentation

Payers deny urgent care claims when visit notes fail to document acute onset, severity, or why the condition required urgent (vs. scheduled) care. Ensure your documentation clearly states the presenting complaint, duration, and clinical decision-making that supports the urgency of the visit.

Diagnosis-Procedure Code Linkage Mismatch

Claims are denied when the submitted ICD-10 diagnosis code does not clinically support the billed CPT procedure (e.g., billing a laceration repair without a wound diagnosis). Always verify each procedure is linked to the specific supporting diagnosis before submission.

Missing Modifier -25 on Same-Day E&M and Procedure

When a significant, separately identifiable E&M service is billed on the same day as a minor procedure, modifier -25 must be appended to the E&M code. Omitting -25 causes automatic denial as payers bundle the E&M into the procedure payment.

Duplicate Claim or Prior Authorization Not Obtained

Urgent care claims are denied as duplicates when a claim is resubmitted without a corrected claim indicator, or when the patient’s plan requires prior authorization for certain services (e.g., lab panels, imaging referrals). Verify auth requirements for each payer and use condition code 7 on corrected resubmissions.

Urgent Care Billing & Coding Tips

  • Urgent care visits typically use 99202–99205 (new patient) or 99211–99215 (established) — bill based on documented MDM or total time, not just the chief complaint.
  • Laceration repair CPT codes (12001–12021) are selected by wound location and total length — measure and document the sutured length in centimeters in every note.
  • Rapid strep, flu, and COVID tests can be billed in addition to the E&M visit — add the appropriate HCPCS/CPT diagnostic test codes alongside the office visit.
  • N39.0 (UTI) requires a documented urine culture and sensitivity or urinalysis to support medical necessity for antibiotic prescribing under most payer audits.

Frequently Asked Questions

What is the most common ICD-10 code in urgent care?

J06.9 (Acute upper respiratory infection, unspecified) is consistently the highest-volume diagnosis code in urgent care settings, followed by N39.0 (UTI) and J02.9 (Acute pharyngitis). These three diagnoses often represent 30–40% of urgent care visit volume.

Can urgent care bill 99213 and 99283 (ED code)?

Urgent care facilities that are Medicare-certified as ERs may use ED visit codes (99281–99285). Standard urgent care clinics that are not certified ERs should bill outpatient office visit codes (99202–99215). Billing ED codes without proper facility certification is an audit risk.

What CPT code is used for a laceration repair?

12001 covers simple wound repair, 2.5 cm or less, on the extremities, trunk, or scalp. 12011 covers simple repair on the face, ears, eyelids, nose, lips. For complex or layered repairs, use 13100 series. Always document the wound measurement and repair technique.

How is a rapid strep test billed?

86403 (rapid strep screen) or 87880 (CLIA-waived rapid strep test) can be billed in addition to the E&M. Include the 87880 test code, the QW modifier (CLIA waiver), and the appropriate diagnosis code (J02.0 for strep pharyngitis if positive).

How does OmniMD support urgent care practices?

OmniMD’s Urgent Care EHR features rapid documentation templates for the top 25 urgent care diagnoses, integrated lab and imaging order sets, e-prescribing with medication interaction checks, and real-time eligibility verification for faster patient checkout.

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