Diagnostic hysteroscopy is a key minimally invasive procedure in gynecology that allows direct visualization of the uterine cavity.
It is frequently used when non-invasive imaging, such as ultrasound or hysterosalpingography (HSG), is inconclusive, or when structural abnormalities are suspected.
The procedure provides critical information for evaluating abnormal uterine bleeding, infertility, recurrent pregnancy loss, or other intrauterine conditions, allowing clinicians to make targeted treatment decisions. Its minimally invasive nature reduces patient risk while improving diagnostic accuracy
CPT Code 58555 – Description
The official definition of CPT code 58555 is:
“Hysteroscopy, diagnostic (separate procedure); uterine cavity evaluation without operative intervention.”
This code describes a minimally invasive diagnostic procedure in which a hysteroscope is inserted through the vagina and cervix to directly visualize the uterine cavity, endometrium, and tubal ostia. No operative intervention, such as biopsy, polypectomy, or D&C, is performed during this procedure.
The scope of CPT 58555 includes cervical access, uterine cavity distension (using saline or CO₂), direct visualization of intrauterine structures, and recording findings for clinical assessment and follow-up.
Scenarios Where CPT Code 58555 Is Applicable
You would bill CPT code 58555 in the following situations:
Initial Diagnostic Assessment:
When a patient requires direct visualization of the uterine cavity without any operative intervention.
Example:
A patient presents with abnormal uterine bleeding. The physician performs a diagnostic hysteroscopy to examine the endometrium and tubal ostia but does not perform a biopsy or remove any polyps.
Standalone Procedure Only:
CPT 58555 is billable only when performed independently, not bundled with operative hysteroscopic procedures (e.g., biopsy or polypectomy performed during the same session, such as CPT 58558).
Clinical Documentation:
The operative note should document uterine access, visualization of intrauterine structures, and findings without any therapeutic intervention.
Applicable Modifiers for CPT Code 58555
The following modifiers may be used with CPT code 58555 when appropriate:
Modifier 59 – Distinct Procedural Service
Indicates that the diagnostic hysteroscopy was a separate procedure from any other interventions performed during the same encounter.
Modifier 52 – Reduced Services
Used if the procedure was partially completed or limited due to patient factors, such as intolerance or anatomical constraints.
Modifier 25 – Significant, Separately Identifiable E/M Service
Reported if an evaluation and management service was provided on the same day as the procedure, beyond the usual pre- and post-procedure care.
All modifier usage must be clearly supported by documentation.
CPT Code 58555 – Billing & Reimbursement
To ensure proper reimbursement for CPT code 58555, follow these key steps:
Justify Medical Necessity:
Document the clinical indication for performing a purely diagnostic hysteroscopy, such as abnormal uterine bleeding, infertility evaluation, or intrauterine abnormalities observed on imaging.
Use Accurate ICD-10 Codes:
Pair CPT 58555 with diagnosis codes that reflect the clinical reason for the diagnostic hysteroscopy.
Confirm Procedural Details:
The operative report should clearly document:
- Cervical access and uterine cavity distension
- Visualization of endometrium, tubal ostia, and intrauterine structures
- Confirmation that no operative intervention was performed
Detailed Documentation:
Ensure that findings and observations are recorded to support medical necessity and payer compliance.
Reimbursement Considerations:
Because CPT 58555 is a standalone diagnostic procedure, reimbursement is generally lower than operative hysteroscopic codes. Accurate documentation ensures claims are processed correctly and prevents denials for unbundling with surgical interventions.
BillingFreedom – Expert OBGYN Medical Billing Services
Billingfreedom, as well known for its OBGYN medical billing services in Georgia, brings deep expertise in coding and documentation for procedures like CPT 58555. Our certified specialists stay up to date with AMA, AAPC, and payer guidance to ensure every claim meets regulatory and payer requirements.
Performance metrics:
- Coding accuracy: consistently >98%
- Denial rate: <3%
- First-pass acceptance rate: 97–99%
- Revenue impact: optimized reimbursement and increased cash flow
We meticulously review operative notes, validate CPT and modifier selection, and ensure documentation supports diagnostic intent. By partnering with our expert team, OB-GYN practices reduce administrative burden, prevent denials, and maximize revenue. The combination of accuracy, compliance, and technical expertise allows healthcare providers to focus on patient care while maintaining strong financial performance.
For more details about our exceptionalOB/GYN billing services in Georgia, please don't hesitate to contact us via email at info@billingfreedom.com or call us at +1 (855) 415-3472.
Your financial tranquility is our priority!
Related ICD-10-CM Codes
ICD-10-CM Codes
C53.0 - Malignant neoplasm of endocervix
C53.1 - Malignant neoplasm of exocervix
C53.8 - Malignant neoplasm of overlapping sites of cervix uteri
C53.9 - Malignant neoplasm of cervix uteri, unspecified
C54.0 - Malignant neoplasm of isthmus uteri
C54.1 - Malignant neoplasm of endometrium
C54.2 - Malignant neoplasm of myometrium
C54.3 - Malignant neoplasm of fundus uteri
C54.8 - Malignant neoplasm of overlapping sites of corpus uteri
C54.9 - Malignant neoplasm of corpus uteri, unspecified
C55 - Malignant neoplasm of uterus, part unspecified
C57.4 - Malignant neoplasm of uterine adnexa, unspecified
C57.8 - Malignant neoplasm of overlapping sites of female genital organs
C57.9 - Malignant neoplasm of female genital organ, unspecified
C79.82 - Secondary malignant neoplasm of genital organs
D06.0 - Carcinoma in situ of endocervix
D06.1 - Carcinoma in situ of exocervix
D06.7 - Carcinoma in situ of other parts of cervix
D06.9 - Carcinoma in situ of cervix, unspecified
D07.0 - Carcinoma in situ of endometrium
D07.30 - Carcinoma in situ of unspecified female genital organs
D07.39 - Carcinoma in situ of other female genital organs
D25.0 - Submucous leiomyoma of uterus
D25.1 - Intramural leiomyoma of uterus
D25.2 - Subserosal leiomyoma of uterus
D25.9 - Leiomyoma of uterus, unspecified
D26.0 - Other benign neoplasm of cervix uteri
D26.1 - Other benign neoplasm of corpus uteri
D26.7 - Other benign neoplasm of other parts of uterus
D26.9 - Other benign neoplasm of uterus, unspecified
D28.7 - Benign neoplasm of other specified female genital organs
D39.0 - Neoplasm of uncertain behavior of uterus
D39.8 - Neoplasm of uncertain behavior of other specified female genital organs
D39.9 - Neoplasm of uncertain behavior of female genital organ, unspecified
N71.0 - Acute inflammatory disease of uterus
N71.1 - Chronic inflammatory disease of uterus
N72 - Inflammatory disease of cervix uteri
N73.1 - Chronic parametritis and pelvic cellulitis
N73.2 - Unspecified parametritis and pelvic cellulitis
N80.00 - Endometriosis of the uterus, unspecified
N80.01 - Superficial endometriosis of the uterus
N80.02 - Deep endometriosis of the uterus
N80.03 - Adenomyosis of the uterus
N80.101 - Endometriosis of right ovary, unspecified depth
N80.102 - Endometriosis of left ovary, unspecified depth
N80.103 - Endometriosis of bilateral ovaries, unspecified depth
N80.109 - Endometriosis of ovary, unspecified side, unspecified depth
N80.111 - Superficial endometriosis of right ovary
N80.112 - Superficial endometriosis of left ovary
N80.113 - Superficial endometriosis of bilateral ovaries
N80.119 - Superficial endometriosis of ovary, unspecified ovary
N80.121 - Deep endometriosis of right ovary
N80.122 - Deep endometriosis of left ovary
N80.123 - Deep endometriosis of bilateral ovaries
N80.129 - Deep endometriosis of ovary, unspecified ovary
N80.201 - Endometriosis of right fallopian tube, unspecified depth
N80.202 - Endometriosis of left fallopian tube, unspecified depth
N80.203 - Endometriosis of bilateral fallopian tubes, unspecified depth
N80.209 - Endometriosis of unspecified fallopian tube, unspecified depth
N80.211 - Superficial endometriosis of right fallopian tube
N80.212 - Superficial endometriosis of left fallopian tube
N80.213 - Superficial endometriosis of bilateral fallopian tubes
N80.219 - Superficial endometriosis of unspecified fallopian tube
N80.221 - Deep endometriosis of right fallopian tube
N80.222 - Deep endometriosis of left fallopian tube
N80.223 - Deep endometriosis of bilateral fallopian tubes
N80.229 - Deep endometriosis of unspecified fallopian tube
N80.381 - Endometriosis of the right pelvic brim, unspecified depth
N80.382 - Endometriosis of the left pelvic brim, unspecified depth
N80.383 - Endometriosis of bilateral pelvic brim, unspecified depth
N80.389 - Endometriosis of the pelvic brim, unspecified side, unspecified depth
N80.391 - Superficial endometriosis of the pelvic peritoneum, other specified sites
N80.392 - Deep endometriosis of the pelvic peritoneum, other specified sites
N80.399 - Endometriosis of the pelvic peritoneum, other specified sites, unspecified depth
N81.2 - Incomplete uterovaginal prolapse
N81.3 - Complete uterovaginal prolapse
N81.4 - Uterovaginal prolapse, unspecified
N81.89 - Other female genital prolapse
N84.0 - Polyp of corpus uteri
N84.1 - Polyp of cervix uteri
N84.8 - Polyp of other parts of female genital tract
N84.9 - Polyp of female genital tract, unspecified
N85.00 - Endometrial hyperplasia, unspecified
N85.01 - Benign endometrial hyperplasia
N85.02 - Endometrial intraepithelial neoplasia [EIN]
N85.2 - Hypertrophy of uterus
N85.6 - Intrauterine synechiae
N85.7 - Hematometra
N85.8 - Other specified noninflammatory disorders of uterus
N85.9 - Noninflammatory disorder of uterus, unspecified
N86 - Erosion and ectropion of cervix uteri
N87.0 - Mild cervical dysplasia
N87.1 - Moderate cervical dysplasia
N87.9 - Dysplasia of cervix uteri, unspecified
N88.0 - Leukoplakia of cervix uteri
N88.1 - Old laceration of cervix uteri
N88.2 - Stricture and stenosis of cervix uteri
N88.3 - Incompetence of cervix uteri
N88.4 - Hypertrophic elongation of cervix uteri
N88.8 - Other specified noninflammatory disorders of cervix uteri
N88.9 - Noninflammatory disorder of cervix uteri, unspecified
N91.0 - Primary amenorrhea
N91.1 - Secondary amenorrhea
N91.2 - Amenorrhea, unspecified
N92.0 - Excessive and frequent menstruation with regular cycle
N92.1 - Excessive and frequent menstruation with irregular cycle
N92.4 - Excessive bleeding in the premenopausal period
N92.5 - Other specified irregular menstruation
N92.6 - Irregular menstruation, unspecified
N93.8 - Other specified abnormal uterine and vaginal bleeding
N94.4 - Primary dysmenorrhea
N94.5 - Secondary dysmenorrhea
N94.6 - Dysmenorrhea, unspecified
N94.89 - Other specified conditions associated with female genital organs and menstrual cycle
N95.0 - Postmenopausal bleeding
N96 - Recurrent pregnancy loss
N97.2 - Female infertility of uterine origin
N97.9 - Female infertility, unspecified
Q51.10 - Doubling of uterus with doubling of cervix and vagina without obstruction
Q51.11 - Doubling of uterus with doubling of cervix and vagina with obstruction
Q51.21 - Complete doubling of uterus
Q51.22 - Partial doubling of uterus
Q51.28 - Other and unspecified doubling of uterus
Q51.3 - Bicornate uterus
Q51.4 - Unicornate uterus
Q51.6 - Embryonic cyst of cervix
Q51.7 - Congenital fistulae between uterus and digestive and urinary tracts
Q51.810 - Arcuate uterus
Q51.811 - Hypoplasia of uterus
Q51.818 - Other congenital malformations of uterus
Q51.820 - Cervical duplication
Q51.821 - Hypoplasia of cervix
Q51.828 - Other congenital malformations of cervix
Q51.9 - Congenital malformation of uterus and cervix, unspecified
Z15.04 - Genetic susceptibility to malignant neoplasm of endometrium
Related CPT Codes
CPT Codes
58544 - Laparoscopic Supracervical Hysterectomy with Adnexal Removal for Uterus >250 g
58545 - Laparoscopic Myomectomy (1–4 Fibroids ≤ 250 g): Definition and Scope
58550 - Laparoscopy with Vaginal Hysterectomy (Uterus ≤ 250 g)
58553 - Laparoscopically Assisted Vaginal Hysterectomy (Uterus >250 g with Adnexal Removal)
58559 - Surgical Hysteroscopy with Lysis of Intrauterine Adhesions
58560 - Surgical Hysteroscopy with Division or Resection of Intrauterine Septum
58565 - Surgical Hysteroscopy with Bilateral Fallopian Tube Cannulation and Implant Placement