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. Updated for FY2026 ICD-10-CM (effective October 1, 2025) and CPT 2026 (AMA), with a preview of FY2027 ICD-10-CM changes effective October 1, 2026.

FY 2027 ICD-10-CM (CMS, eff. 10/1/2026) · CPT 2026 (AMA) · All codes verified billable · Last verified: October 2026

🔍 Search Codes on This Page



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 ✓
R10.A0 Flank pain, unspecified side — new FY2026 code (replaces nonspecific R10.9/R10.30 use for flank pain) ✓
S30.11XA Contusion of abdominal wall, initial encounter — new FY2026 code ✓
M67.A01 Plantar fasciitis, right foot — new FY2027 code, effective 10/1/2026 (not yet active; replaces M72.2 for this diagnosis) ✓

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

Is Your Urgent Care Practice Losing Revenue to Coding Errors?

OmniMD’s Urgent Care EHR suggests the right ICD-10 and CPT codes at the point of care, reducing claim denials from day one.

Schedule a Free Demo  View OmniMD Urgent Care EHR ›

Common CPT Codes for Urgent Care Billing

CPT Code Description Medicare Rate* Common Modifiers
99202 New patient office visit, straightforward complexity ~$75 -25, -57
99203 New patient office visit, low complexity ~$118 -25, -57
99204 New patient office visit, moderate complexity ~$177 -25, -57
99205 New patient office visit, high complexity ~$237 -25, -57
99211 Office visit, established patient, minimal (nurse visit) ~$24 -25
99212 Office visit, established patient, straightforward complexity ~$59 -25, -57
99213 Office visit, established patient, low complexity ~$95 -25, -57
99214 Office visit, established patient, moderate complexity ~$136 -25, -57
99215 Office visit, established patient, high complexity ~$192 -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 ~$114 -59
87880 Streptococcal Group A antigen detection, direct observation ~$17 -QW
94760 Noninvasive ear or pulse oximetry, oxygen saturation ~$4 -59
97010 Application of hot or cold packs ~$7 -59, -GP

*Approximate 2026 CMS national non-facility rate. Lab test rates are from the 2026 CMS Clinical Laboratory Fee Schedule. 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.

Streamline Your Urgent Care Practice with OmniMD

Purpose-built EHR, billing, and practice management for Urgent Care practices.

Book a Free Demo